<PAGE>   1
                                  Exhibit 10.8

                        Consulting Agreement (John Moran)



<PAGE>   2



                              CONSULTING AGREEMENT


         This Agreement is entered into this the 1st day of April 1998, by and
between Lone Star International Energy, Inc., ("Lone Star"), 528 Grant Road,
Mineral Wells, Texas 76067, and John T. Moran, ("Moran"), 62 SE 6th Avenue,
Delray Beach, Florida 33438.

                                    RECITALS

         WHEREAS, Lone Star is a public company with its stock trading on the
NASDAQ Bulletin Board under the symbol "LNST", and is engaged in the oil and gas
production and development business and through its wholly owned subsidiary,
Energy Reclaim Refrigeration, Inc. ("Energy"), in the development and
manufacturing of certain patented alternative energy devices; and,

         WHEREAS, Moran is engaged in the private consulting business and has
over his career gained experience and knowledge in the public companies arena,
including funding, mergers and acquisitions, risk management, and securities
regulations; and,

         WHEREAS, Lone Star wishes to retain the services of Moran to serve as a
consultant to its corporate management regarding his areas of knowledge and
experience, and Moran desires to establish a relationship with Lone Star and to
provide certain services as a consultant.

         NOW THEREFORE, in consideration of the following terms and conditions,
the parties hereby agree as follows:

         1.       Lone Star shall retain the services of Moran as a consultant
                  to corporate management, to provide such services as may be
                  directed by such management from time to time, including, but
                  not limited to:

                  a.       Assist in promoting Lone Star's Montana oil and gas
                           property, with particular emphasis on locating
                           potential partners for the development. Moran will
                           limit this activity to simply identifying the
                           potential sources, but the details of the particular
                           investment shall be negotiated by Lone Star's
                           management.

                  b.       Negotiate on behalf of Lone Star with the holders of
                           the currently outstanding debentures (i.e. Steve
                           Hicks), for the purpose of securing a resolution to
                           the debenture issue that will be more favorable to
                           Lone Star, and will have the potential of helping to
                           provide positive news to the market eliminating the
                           fears of major dilution to current shareholders with
                           the intent in securing a more stable market support
                           and share price.

                  c.       Assist Lone Star in its efforts to increase market
                           support for its stock.




                                     -1-

<PAGE>   3

                  d.       Assist Lone Star in formulating a possible plan of
                           corporate reorganization that may involve a merger
                           and/or spin-off of Energy as a separate public
                           vehicle. This may include the research and location
                           of potential suitable merger candidates, as well as
                           assisting management in its analysis of options
                           presented to Lone Star by others, or generated
                           internally.

                  e.       Assist Lone Star upon request in securing a
                           settlement of outstanding litigation against the
                           company. This may include assisting Lone Star in the
                           pursuit of its claim against Merit Capital.

                  f.       At the request of Lone Star, consult with and assist
                           in advising and developing strategies with the
                           companies outside securities and litigation counsel.

                  g.       Provide such other services as may be requested from
                           time to time by Lone Star.

         2.       As consideration for the foregoing services, Lone Star agrees
                  that Moran shall be paid as follows:

                  a.       An initial non-refundable cash retainer of $5,000.00,
                           payable upon execution of this agreement, together
                           with a secondary retainer of $50,000.00 which may be
                           payable in cash or stock or a combination thereof, at
                           the sole discretion of Lone Star. In the event stock
                           is used, Lone Star agrees to make available shares
                           that are registered as S-8 free trading shares, with
                           the number of shares to be determined by the market
                           price of such securities on the date payment is to be
                           made, or as otherwise agreed by the parties. Such
                           secondary retainer to be paid upon the effective date
                           of this agreement or at such other time as may be
                           mutually agreed by the parties.

                  b.       Options to secure shares of Lone Star stock equal to
                           250,000 shares at $1.50 per share, exercisable within
                           2 years from the effective date hereof, together with
                           options to secure 250,000 shares at $3.00 per share
                           exercisable within 3 years from the effective date
                           hereof. The options granted herein shall carry
                           registration rights in accordance with an S-3
                           Registration.

         3.       It is understood that Moran shall be responsible for all of
                  his reasonable and necessary fees and expenses including
                  travel, meals, telephone, etc. incurred in connection with his
                  services performed hereunder. In the event Lone Star request
                  services of Moran that would involve the expenditure of
                  significant expenses, (i.e. international travel), Lone Star
                  shall approve such expenses in advance, and shall provide an
                  expense advance to cover same.





                                     -2-

<PAGE>   4

         4.       The parties acknowledge that during the term of this agreement
                  and in the course of the discharge of his duties hereunder,
                  Moran may have access to and become acquainted with
                  information concerning the operation and processes of Lone
                  Star, including without limitation, financial, personnel,
                  sales, scientific and other information that is owned by Lone
                  Star and regularly used in the operation of its business.
                  Moran specifically agrees that he shall not knowingly or
                  willfully misuse, misappropriate, or disclose any such
                  information directly or indirectly to any other person or use
                  it in any way, either during the term of this agreement or at
                  any other time thereafter, except as required in the course of
                  his duties hereunder, or as requested by a governmental agency
                  with proper authority.

         5.       This agreement shall have a primary term of one year from the
                  effective date. Lone Star reserves the right to terminate this
                  agreement at any time and for any reason upon 30 days written
                  notice to Moran. Such notice shall be considered given upon
                  being deposited in the U.S. Mail, postage prepaid, and
                  addressed to Moran at the address first herein mentioned.

         6.       This Agreement shall be governed by the laws of the State of
                  Texas, and any disputes which may arise shall be submitted to
                  arbitration with venue in Tarrant County, Texas. The parties
                  agree that any ruling made through the arbitration procedures
                  in effect in Tarrant County, Texas, shall be binding so as to
                  resolve any matters in controversy.

         IN WITNESS WHEREOF, the parties have executed this Agreement to be
effective as of the date first above mentioned.

                                       Lone Star International Energy, Inc.



                                       -----------------------------------------
                                       Richard Baker,
                                       President


                                       Consultant:


                                       -----------------------------------------
                                       John T. Moran






                                     -3-