----

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| Delaware                                                       | 84-1572525                           |
|----------------------------------------------------------------|--------------------------------------|
| (State or other jurisdiction of incorporation or organization) | (I.R.S. Employer Identification No.) |

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----

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|    |                                                                                                 |   |   |
|---------|------------------------------------------------------------------------------------------------------|--------|--------|
| Item 1. | Condensed Financial Statements - Unaudited                                                      |   |   |
|    |                                                                                                 |   |   |
|    | Consolidated Balance Sheets at March 31, 2011 (unaudited) and December 31, 2010                      |   | F-1    |
|    |                                                                                                 |   |   |
|    | Consolidated Statements of Operations for the Three Months ended March 31, 2011 and 2010 (unaudited) |   | F-2    |
|    |                                                                                                 |   |   |
|    | Consolidated Statements of Cash Flows for the Three Months ended March 31, 2011 and 2010 (unaudited) |   | F-3    |
|    |                                                                                                 |   |   |
|    | Notes to Unaudited Interim Consolidated Financial Statements                                         |   | F-4    |
|    |                                                                                                 |   |   |
| Item 2. | Management’s Discussion and Analysis of Financial Condition and Results of Operations          |   | 1      |
|    |                                                                                                 |   |   |
| Item 3. | Quantitative and Qualitative Disclosures About Market Risk                                           |   | 6      |
|    |                                                                                                 |   |   |
| Item 4. | Controls and Procedures                                                                              |   | 6      |
|    |                                                                                                 |   |   |
|    | PART 2 - OTHER INFORMATION                                                                           |   |   |
|    |                                                                                                 |   |   |
| Item 1. | Legal Proceedings                                                                                    |   | 7      |
|    |                                                                                                 |   |   |
| Item 2. | Unregistered Sales of Equity Securities And Use of Proceeds                                          |   | 7      |
|    |                                                                                                 |   |   |
| Item 3. | Defaults Upon Senior Securities                                                                      |   | 7      |
|    |                                                                                                 |   |   |
| Item 4. | Reserved                                                                                             |   | 7      |
|    |                                                                                                 |   |   |
| Item 5. | Other Information                                                                                    |   | 7      |
|    |                                                                                                 |   |   |
| Item 6. | Exhibits                                                                                             |   | 7      |
|    |                                                                                                 |   |   |
|    | Signatures                                                                                           |   | 10     |

----

Condensed Consolidated Balance Sheets

|                                                                                                                                             |   |                     |        |   |             |    |        |
|--------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------|-------------|--------|------------------|--------------|-------------|
|                                                                                                                                             |   | March 31,2011(Unaudited) |        |   | December31, 2010 |         |
| ASSETS                                                                                                                                           |   |                     |        |   |             |         |        |
|                                                                                                                                             |   |                     |        |   |             |         |        |
| Current assets:                                                                                                                                  |   |                     |        |   |             |         |        |
| Cash                                                                                                                                             |   | $                        | 20,470      |   |             | $            | 4,901       |   |
| Accounts receivable, net                                                                                                                         |   |                     | 3,023       |   |             |         | 5,783       |   |
| Other receivables                                                                                                                                |   |                     | -           |   |             |         | 52,388      |   |
| Prepaid expenses                                                                                                                                 |   |                     | 31,452      |   |             |         | 42,861      |   |
| Restricted cash                                                                                                                                  |   |                     | 20,000      |   |             |         | 20,000      |   |
| Total current assets                                                                                                                             |   |                     | 74,945      |   |             |         | 125,933     |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Deposits                                                                                                                                         |   |                     | 1,896       |   |             |         | 1,896       |   |
| Property and equipment, net                                                                                                                      |   |                     | 274,165     |   |             |         | 280,667     |   |
| Intangible assets, net                                                                                                                           |   |                     | 31,552      |   |             |         | 32,928      |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Total assets                                                                                                                                     |   | $                        | 382,558     |   |             | $            | 441,424     |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| LIABILITIES AND STOCKHOLDERS’ DEFICIT                                                                                                      |   |                     |        |   |             |         |        |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Current liabilities:                                                                                                                             |   |                     |        |   |             |         |        |   |
| Accounts payable and accrued liabilities                                                                                                         |   | $                        | 1,663,617   |   |             | $            | 1,554,952   |   |
| Accrued compensation and payroll liabilities                                                                                                     |   |                     | 626,351     |   |             |         | 622,021     |   |
| Accrued interest                                                                                                                                 |   |                     | 114,725     |   |             |         | 89,304      |   |
| Notes payable - related parties                                                                                                                  |   |                     | 458,600     |   |             |         | 403,600     |   |
| Notes payable - stockholder                                                                                                                      |   |                     | 592,752     |   |             |         | 592,752     |   |
| Notes payable and capital lease, current portion                                                                                                 |   |                     | 72,827      |   |             |         | 72,827      |   |
| Total current liabilities                                                                                                                        |   |                     | 3,528,872   |   |             |         | 3,335,456   |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Notes payable and capital lease, less current portion                                                                                            |   |                     | 9,129       |   |             |         | 10,887      |   |
| Total liabilities                                                                                                                                |   |                     | 3,538,001   |   |             |         | 3,346,343   |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Commitments and contingencies                                                                                                                    |   |                     | —     |   |             |         | —     |   |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Stockholders’ deficit:                                                                                                                     |   |                     |        |   |             |         |        |   |
| Common stock, $0.001 par value; 200,000,000 shares authorized; 114,719,553 shares issued and outstanding at March 31, 2011 and December 31, 2010 |   |                     | 114,720     |   |             |         | 114,720     |   |
| Additional paid-in capital                                                                                                                       |   |                     | 62,515,471  |   |             |         | 62,515,471  |   |
| Commmon stock to be issued                                                                                                                       |   |                     | 10,800      |   |             |         | 10,800      |   |
| Accumulated deficit                                                                                                                              |   |                     | (65,796,434 | )      |             |         | (65,545,910 | ) |
| Total stockholders’ deficit                                                                                                                |   |                     | (3,155,443  | )      |             |         | (2,904,919  | ) |
|                                                                                                                                             |   |                     |        |   |             |         |        |   |
| Total liabilities and stockholders’ deficit                                                                                                |   | $                        | 382,558     |   |             | $            | 441,424     |   |

----

Condensed Consolidated Statements of Operations

|                                                 |   | For the Three  |        |   | For the Three |   |
|------------------------------------------------------|--------|----------------|-------------|--------|---------------|--------|
|                                                 |   | Months         |        |   | Months Ended  |   |
|                                                 |   | Ended March    |        |   | March 31,     |   |
|                                                 |   |  31, 2011 |        |   |  2010    |   |
|                                                 |   | (unaudited)    |        |   | (unaudited)   |   |
|                                                 |   |           |        |   |          |   |   |   |
| Revenues                                             |   | $              | 102,151     |   |          | $      | 218,069 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Cost of revenue                                      |   |           | 77,150      |   |          |   | 104,000 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Environmental remediation expense                    |   |           | 62,018      |   |          |   | 6,177 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Gross (loss) profit                                  |   |           | (37,017     | )      |          |   | 107,892 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Operating expenses:                                  |   |           |        |   |          |   |   |   |
|                                                 |   |           |        |   |          |   |   |   |
| Selling, general and administrative expenses         |   |           | 181,196     |   |          |   | 218,821 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Loss from operations                                 |   |           | (218,213    | )      |          |   | (110,929 | ) |
|                                                 |   |           |        |   |          |   |   |   |
| Other income (expense):                              |   |           |        |   |          |   |   |   |
|                                                 |   |           |        |   |          |   |   |   |
| Gain on extinguishment of liabilities                |   |           | —     |   |          |   | 64,530 |   |
| Interest expense, net                                |   |           | (32,311     | )      |          |   | (17,837 | ) |
| Other income                                         |   |           | —     |   |          |   | 49,768 |   |
|                                                 |   |           | (32,311     | )      |          |   | 96,461 |   |
|                                                 |   |           |        |   |          |   |   |   |
| Net loss                                             |   | $              | (250,524    | )      |          | $      | (14,468 | ) |
|                                                 |   |           |        |   |          |   |   |   |
| Net loss per share, basic and diluted                |   |           | *           |   |          |   | * |   |
|                                                 |   |           |        |   |          |   |   |   |
| Weighted average number of common shares outstanding |   |           | 114,719,553 |   |          |   | 106,841,764 |   |

----

Condensed Consolidated Statements of Cash Flows

|                                                                        |   | For the     |     |   | For the     |   |
|-----------------------------------------------------------------------------|--------|-------------|----------|--------|-------------|--------|
|                                                                        |   | Three       |     |   | Three       |   |
|                                                                        |   | Months      |     |   | Months      |   |
|                                                                        |   | Ended       |     |   | Ended       |   |
|                                                                        |   | March 31,   |     |   | March 31,   |   |
|                                                                        |   | 2011        |     |   | 2010        |   |
|                                                                        |   | (unaudited) |     |   | (unaudited) |   |
| Cash flows from operating activities:                                       |   |        |     |   |        |   |
| Net loss                                                                    |   | $           | (250,524 | )      |        | $      | (14,468 | ) |
| Adjustments to reconcile net loss to net cash used in operating activities: |   |        |     |   |        |   |   |   |
| Depreciation and amortization                                               |   |        | 12,668   |   |        |   | 35,091 |   |
| Other income                                                                |   |        | —  |   |        |   | 13,176 |   |
| Environmental remediation expense                                           |   |        | 62,018   |   |        |   | 6,177 |   |
| Gain on extinguishment of liabilities                                       |   |        | —  |   |        |   | (64,530 | ) |
| Changes in assets and liabilities:                                          |   |        |     |   |        |   |   |   |
| Accounts receivable, net                                                    |   |        | 2,760    |   |        |   | 34,283 |   |
| Prepaid expenses                                                            |   |        | 11,409   |   |        |   | 12,711 |   |
| Restricted cash and other assets                                            |   |        | 52,388   |   |        |   | 2,200 |   |
| Accounts payable and accrued expenses                                       |   |        | 76,398   |   |        |   | (37,046 | ) |
| Net cash used in operating activities                                       |   |        | (32,883  | )      |        |   | (12,406 | ) |
|                                                                        |   |        |     |   |        |   |   |   |
| Cash flows from investing activities:                                       |   |        |     |   |        |   |   |   |
| Equipment purchases                                                         |   |        | (4,790   | )      |        |   | (23,925 | ) |
| Net cash used in investing activities                                       |   |        | (4,790   | )      |        |   | (23,925 | ) |
|                                                                        |   |        |     |   |        |   |   |   |
| Cash flows from financing activities:                                       |   |        |     |   |        |   |   |   |
| Payments on debt                                                            |   |        | (1,758   | )      |        |   | (3,995 | ) |
| Payments on related party notes                                             |   |        | —  |   |        |   | (10,000 | ) |
| Proceeds from issuance of common stock                                      |   |        | —  |   |        |   | 80,000 |   |
| Proceeds from related party notes                                           |   |        | 55,000   |   |        |   | 25,000 |   |
| Net cash provided by financing activities                                   |   |        | 53,242   |   |        |   | 91,005 |   |
|                                                                        |   |        |     |   |        |   |   |   |
|   Increase in cash                                                     |   |        | 15,569   |   |        |   | 54,674 |   |
|                                                                        |   |        |     |   |        |   |   |   |
| Cash at beginning of period                                                 |   |        | 4,901    |   |        |   | 20,444 |   |
|                                                                        |   |        |     |   |        |   |   |   |
| Cash at end of period                                                       |   | $           | 20,470   |   |        | $      | 75,118 |   |
|                                                                        |   |        |     |   |        |   |   |   |
| Supplemental disclosure of cash flow information:                           |   |        |     |   |        |   |   |   |
| Cash paid for interest                                                      |   | $           | 1,000    |   |        | $      | — |   |

----

NOTES TO CONDENSED CONSOLIDATED

|    |                                                                                                                                                                                   |
|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ● | Tire processing operation in Hutchins, Texas, and                                                                                                                                      |
|    |                                                                                                                                                                                   |
| ● | Renewable energy and WTE projects utilizing the Company’s Thermal GasifierTM technology and corporate administration at the Company’s offices in Englewood, Colorado. |

----

|   | ● | Thermal GasifierTM engineering design and deployment |
|--------|---------|-----------------------------------------------------------|

|   | ● | Maximizing value from the Hutchins, Texas tire processing and storage facility |
|--------|---------|--------------------------------------------------------------------------------|

|   | ● | Development of project based opportunities, and |
|--------|---------|-------------------------------------------------|

|   | ● | Attracting strategic investment |
|--------|---------|---------------------------------|

----

|   | ● | Disposal fees (“tipping fees”) for waste tires are fully earned when accepted at the facility |
|--------|---------|-----------------------------------------------------------------------------------------------------------|
|   |    |                                                                                                      |
|   | ● | Sales of unprocessed whole tires are recognized when delivered to the end user                            |

| 8.56% installment note, secured by equipment, due August 2013                                                                                                                                                                                                                   |   | $      | 14,956 |   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|--------|--------|
| 15% promissory notes payable to individuals, due on demand, in default                                                                                                                                                                                                          |   |   | 17,000 |   |
| 12% promissory notes payable to individual, interest due monthly, secured by all assets of the Company, due on April 22, 2011, default waived until five days after the closing of the Company’s sale of its industrial site at 1323 Fulghum Road in Hutchins, Texas |   |   | 50,000 |   |
| Total notes payable and capital lease:                                                                                                                                                                                                                                          |   |   | 81,956 |   |
| Less: current maturities                                                                                                                                                                                                                                                        |   |   | 72,827 |   |
| Notes payable and capital lease                                                                                                                                                                                                                                                 |   | $      | 9,129  |   |

----

| 9% promissory notes payable – Richard Strain – stockholder, due on demand, secured by a first priority security interest in Company assets – default waived through June 30, 2011                                                                    |   | $      | 500,000 |   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|---------|--------|
| 9% line of credit - Richard Strain – stockholder, matured December 31, 2010,  principal payments of $8,000 per month, secured by a first priority security interest in the Company’s assets – default waived through June 30, 2011         |   |   | 92,752  |   |
|               Notes payable- stockholder                                                                                                                                                         |   | $      | 592,752 |   |
|                                                                                                                                                                                                                                                                   |   |   |    |   |
| 8% promissory notes payable - Timothy Ruddy, due on demand, secured by all of the Company’s assets, security interest is subordinated to the loans extended by Mr. Strain                                                                                        |   | $      | 413,600 |   |
|                                                                                                                                                                                                                                                                   |   |   |    |   |
| 12% promissory notes payable to Timothy Ruddy family members, cash interest of 10% and Company stock of 2%, secured by all of the Company’s assets, security interest is subordinated to the loans extended by Mr. Strain, interest due quarterly-default waived |   |   | 45,000  |   |
|               Notes payable-related parties                                                                                                                                                      |   | $      | 458,600 |   |

|   | (a) | repayment of principal and interest;                                                                                                                                      |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   | (b) | conversion of outstanding amount without accrual of interest into the Company’s common stock based on the quoted market price of the stock at the dates loans were made; |

|   | (c) | any combination of cash and stock as described in (a) and (b) |
|--------|-----|---------------------------------------------------------------|

----

|   | (a) | $800,000 Deed of Trust filed April 23, 2002.  While management is currently unable to determine the ultimate outcome of this matter, management is vigorously pursuing appropriate legal remedies to invalidate this deed of trust in order to complete the sale of the Texas facility |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | Mechanic’s lien filed by a contractor for approximately $86,000 for services provided October, 2007 through April, 2008.  The liability for this judgment is included in accounts payable and accrued liabilities in the consolidated balance sheets |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

----

| ● | Inability to attract adequate debt or equity funding to implement our business plan |
|---------|-------------------------------------------------------------------------------------|

| ● | Ongoing operating losses |
|---------|--------------------------|

| ● | Delay in successfully demonstrating our Thermal GasifierTM technology |
|---------|----------------------------------------------------------------------------|

|    |                                                                                                                                                                                                     |
|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ● | Tire processing operation in Hutchins, Texas, and                                                                                                                                                   |
| ● | Renewable energy and waste to energy (WTE) projects utilizing the Company’s Thermal GasifierTM technology and corporate administration at the Company’s offices in Englewood, Colorado. |

----

|   | ● | Thermal GasifierTM engineering design and deployment |
|--------|---------|-----------------------------------------------------------|

|   | ● | Maximizing value from the Hutchins, Texas tire processing and storage facility |
|--------|---------|--------------------------------------------------------------------------------|

|   | ● | Development of project based opportunities, and |
|--------|---------|-------------------------------------------------|

|   | ● | Attracting strategic investment |
|--------|---------|---------------------------------|

----

----

|                                         |   | Three Months ended March 31, |     |   | Increase/(Decrease) |   |
|----------------------------------------------|--------|------------------------------|----------|--------|---------------------|--------|
|                                         |   |                         |     |   |                |   |   |   |   |   | % change |   |
|                                         |   | 2011                         |     |   | 2010                |   |   | $ 2011 vs |   |   | 2011 vs |   |
|                                         |   | (unaudited)                  |     |   | (unaudited)         |   |   | 2010 |   |   | 2010 |   |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |
| Revenues                                     |   | $                            | 102,151  |   |                | $      | 218,069 |   |   | $ | (115,918 | ) |   |   | (53.2 | )% |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Cost of revenue                              |   |                         | 77,150   |   |                |   | 104,000 |   |   |   | (26,850 | ) |   |   | (25.8 | )% |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Environmental remediation expense            |   |                         | 62,018   |   |                |   | 6,177 |   |   |   | 55,841 |   |   |   | N/A | % |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Gross (loss) profit                          |   |                         | (37,017  | )      |                |   | 107,892 |   |   |   | (144,909 | ) |   |   | (134.3 | )% |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Operating expenses:                          |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Selling, general and administrative expenses |   |                         | 181,196  |   |                |   | 218,821 |   |   |   | (37,625 | ) |   |   | (17.2 | )% |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Loss from operations                         |   |                         | (218,213 | )      |                |   | (110,929 | ) |   |   | (107,284 | ) |   |   | 96.7 | % |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Other income (expense):                      |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Gain on extinguishment of liabilities        |   |                         | —  |   |                |   | 64,530 |   |   |   | (64,530 | ) |   |   | (100.0 | )% |
| Interest expense, net                        |   |                         | (32,311  | )      |                |   | (17,837 | ) |   |   | (14,474 | ) |   |   | 81.1 | % |
| Other income                                 |   |                         | —  |   |                |   | 49,768 |   |   |   | (49,768 | ) |   |   | (100.0 | ) |
|                                         |   |                         | (32,311  | )      |                |   | 96,461 |   |   |   | (128,772 | ) |   |   | (133.5 | )% |
|                                         |   |                         |     |   |                |   |   |   |   |   |   |   |   |   |   |   |
| Net loss                                     |   | $                            | (250,524 | )      |                | $      | (14,468 | ) |   | $ | (236,056 | ) |   |   | 1,631.6 | % |

----

----

Item 3. Quantitative and Qualitative Disclosures About Market Risk

----

PART II: OTHER INFORMATION

Item 1. Legal Proceedings.

Item 2. Unregistered Sales of Equity

Item 3. Defaults Upon Senior Securities.

Item 4. Reserved.

Item 5. Other Information.

Item 6. Exhibits.

| 2.1    | Industrial Site Purchase and Sale Agreement dated February 14, 2011 by and between Vista International Technologies, Inc. and Brown-Lewisville Railroad Family First Limited Partnership****** |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                           |
| 3(i).1 | Certificate of Incorporation*                                                                                                                                                                  |
|   |                                                                                                                                                                                           |
| 3(i).2 | Articles of Amendment to the Articles of Incorporation, as amended on August 6, 1999*                                                                                                     |
|   |                                                                                                                                                                                           |
| 3(i).3 | Certificate of Amendment of Certificate of Incorporation, as amended on April 24, 2002*                                                                                                        |
|   |                                                                                                                                                                                           |
| 3(i).4 | Certificate of Amendment of the Certificate of Incorporation, filed on October 12, 2005*                                                                                             |
|   |                                                                                                                                                                                           |

----

| 3(i).5  | Certificate of Amendment to Certificate of Incorporation, as amended on November 8, 2007**                                                                                                  |
|---------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|    |                                                                                                                                                                                             |
| 3(ii).1 | Amended and Restated By-Laws***                                                                                                                                                                  |
|    |                                                                                                                                                                                             |
| 10.1    | Strategic Alliance and Supply Agreement, dated December 29, 2009 by and between Vista International Technologies, Inc. and Liberty Tire Recycling, LLC ****                                      |
|    |                                                                                                                                                                                             |
| 10.2    | Consulting Agreement dated August 3, 2009 by and between Vista International Technologies, Inc and Ing. Gianfranco Licursi*****                                                                  |
|    |                                                                                                                                                                                             |
| 10.3    | Vista International Technologies, Inc. Equity Participation Plan*                                                                                                                                |
|    |                                                                                                                                                                                             |
| 10.4    | Investment Agreement dated August 3, 2009 between Vista International Technologies, Inc. and  Timothy Ruddy ****                                                                       |
|    |                                                                                                                                                                                             |
| 10.5    | Security Agreement dated August 3, 2009 by and between Vista International Technologies, Inc. and Timothy Ruddy ****                                                                             |
|    |                                                                                                                                                                                             |
| 10.6    | Promissory Note (Line of Credit) dated August 11, 2009 by and between Vista International Technologies, Inc. and Richard Strain ****                                                             |
|    |                                                                                                                                                                                             |
| 10.7    | Security Agreement dated August 11, 2009 by and between Vista International Technologies, Inc. and Richard Strain******                                                                     |
|    |                                                                                                                                                                                             |
| 10.8    | Promissory Note dated April 4, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                         |
|    |                                                                                                                                                                                             |
| 10.9    | Security Agreement dated April 4, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                      |
|    |                                                                                                                                                                                             |
| 10.10   | Promissory Note dated April 16, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                        |
|    |                                                                                                                                                                                             |
| 10.11   | Security Agreement dated April 16, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                     |
|    |                                                                                                                                                                                             |
| 10.12   | Promissory Note dated May 31, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                          |
|    |                                                                                                                                                                                             |
| 10.13   | Security Agreement dated May 31, 2007 by and between Nathaniel Energy Corporation and Richard Strain******                                                                                       |
|    |                                                                                                                                                                                             |
| 10.14   | Engagement Letter dated April 15, 2010 by and between Vista International Technologies, Inc. and Colebrooke Capital, Inc. +                                                                      |
|    |                                                                                                                                                                                             |
| 10.15   | Joint Development Agreement dated October 16, 2010 by and between Vista International Technologies, Inc. and Mustang Consulting, LLC ++                                                          |
|    |                                                                                                                                                                                             |
| 10.16   | Amendment to Engagement Agreement dated August 30, 2010 by and between Vista International Technologies, Inc. and Colebrooke Capital, Inc. ++                                                    |
|    |                                                                                                                                                                                             |
| 10.17   | Consulting Agreement dated October 26, 2010 by and between Vista International Technologies, Inc. and Steven R. Kowalsky and Edward L. Kowalsky. ++                                              |
|    |                                                                                                                                                                                             |
| 10.18   | Consulting and Services Agreement dated June 11, 2009 by and between Vista International Technologies, Inc. and Mustang Consulting, LLC (“Consulting and Services Agreement”) ****** |
|    |                                                                                                                                                                                             |
| 10.19   | Continuation of Consulting and Services Agreement effective January 4, 2010******                                                                                                                |
|    |                                                                                                                                                                                             |
| 10.20   | Exclusive Listing Agreement dated July 1, 2010 by and between Vista International Technologies, Inc. and CCBN Texas Limited Partnership d/b/a Colliers International******                       |

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| 14.1   | Code of Business Conduct and Ethics for Officers (Vice President and Senior) and Directors (effective March 8, 2004)+++                                                                            |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |                                                                                                                                                                                               |
| 14.2   | Code of Business Conduct and Ethics for Employees and Officers(other than Vice President and Senior) (effective March 8, 2004)+++                                                                  |
|   |                                                                                                                                                                                               |
| 21     | Subsidiaries****                                                                                                                                                                                   |
|   |                                                                                                                                                                                               |
| 31.    | Certification of Interim Chief Executive Officer and Principal Accounting Officer pursuant to Rule 13a-14(a)or Rule 15d-14(a)as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. |
|   |                                                                                                                                                                                               |
| 32.    | Certification of Interim Chief Executive Officer and Principal Accounting Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.        |

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SIGNATURES

|               |   | VISTA INTERNATIONAL TECHNOLOGIES, INC. |
|--------------------|--------|----------------------------------------|
|               |   | (Registrant)                      |
| Date: May 20, 2011 |   | By:                                    | /s/ Bradley A. Ripps |
|               |   |                                   | Bradley A. Ripps |
|               |   |                                   | Interim Chief Executive Officer and Principal Accounting Officer |

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