any issuer shall not exceed the limitation amount allocated 
to such issuer under subsection (d). 
‘‘(c) NATIONAL LIMITATION ON AMOUNT OF BONDS 
DESIGNATED.—There is a national qualified energy con-
servation bond limitation of $3,600,000,000. 
‘‘(d) ALLOCATIONS.— 
‘‘(1) IN
GENERAL.—The limitation applicable 
under subsection (c) shall be allocated by the Sec-
retary among the States in proportion to the popu-
lation of the States. 
‘‘(2) ALLOCATIONS
TO
LARGEST
LOCAL
GOV-
ERNMENTS.— 
‘‘(A) IN
GENERAL.—In the case of any 
State in which there is a large local govern-
ment, each such local government shall be allo-
cated a portion of such State’s allocation which 
bears the same ratio to the State’s allocation 
(determined without regard to this subpara-
graph) as the population of such large local 
government bears to the population of such 
State. 
‘‘(B) ALLOCATION OF UNUSED LIMITATION 
TO STATE.—The amount allocated under this 
subsection to a large local government may be
reallocated by such local government to the 
State in which such local government is located. 
‘‘(C) LARGE
LOCAL
GOVERNMENT.—For 
purposes of this section, the term ‘large local 
government’ means any municipality or county 
if such municipality or county has a population 
of 100,000 or more. 
‘‘(3) ALLOCATION
TO
ISSUERS; RESTRICTION 
ON
PRIVATE
ACTIVITY
BONDS.—Any allocation 
under this subsection to a State or large local gov-
ernment shall be allocated by such State or large 
local government to issuers within the State in a 
manner that results in not less than 70 percent of 
the allocation to such State or large local govern-
ment being used to designate bonds which are not 
private activity bonds. 
‘‘(e) QUALIFIED
CONSERVATION
PURPOSE.—For 
purposes of this section— 
‘‘(1) IN
GENERAL.—The term ‘qualified con-
servation purpose’ means any of the following: 
‘‘(A) Capital expenditures incurred for 
purposes of— 
‘‘(i) reducing energy consumption in 
publicly-owned buildings by at least 20 
percent,
‘‘(ii) implementing green community 
programs, 
‘‘(iii) rural development involving the 
production of electricity from renewable 
energy resources, or 
‘‘(iv) any qualified facility (as deter-
mined under section 45(d) without regard 
to paragraphs (8) and (10) thereof and 
without regard to any placed in service 
date). 
‘‘(B) Expenditures with respect to research 
facilities, and research grants, to support re-
search in— 
‘‘(i) development of cellulosic ethanol 
or other nonfossil fuels, 
‘‘(ii) technologies for the capture and 
sequestration of carbon dioxide produced 
through the use of fossil fuels, 
‘‘(iii) increasing the efficiency of exist-
ing technologies for producing nonfossil 
fuels, 
‘‘(iv) automobile battery technologies 
and other technologies to reduce fossil fuel 
consumption in transportation, or
‘‘(v) technologies to reduce energy use 
in buildings. 
‘‘(C) Mass commuting facilities and related 
facilities that reduce the consumption of energy, 
including expenditures to reduce pollution from 
vehicles used for mass commuting. 
‘‘(D) Demonstration projects designed to 
promote the commercialization of— 
‘‘(i) green building technology, 
‘‘(ii) conversion of agricultural waste 
for use in the production of fuel or other-
wise, 
‘‘(iii) advanced battery manufacturing 
technologies, 
‘‘(iv) technologies to reduce peak use 
of electricity, or 
‘‘(v) technologies for the capture and 
sequestration of carbon dioxide emitted 
from combusting fossil fuels in order to 
produce electricity. 
‘‘(E) Public education campaigns to pro-
mote energy efficiency. 
‘‘(2) SPECIAL
RULES
FOR
PRIVATE
ACTIVITY 
BONDS.—For purposes of this section, in the case of 
any private activity bond, the term ‘qualified con-
servation purposes’ shall not include any expenditure 
which is not a capital expenditure. 
‘‘(f) POPULATION.— 
‘‘(1) IN
GENERAL.—The population of any 
State or local government shall be determined for 
purposes of this section as provided in section 146(j) 
for the calendar year which includes the date of the 
enactment of this section. 
‘‘(2) SPECIAL RULE FOR COUNTIES.—In deter-
mining the population of any county for purposes of 
this section, any population of such county which is 
taken into account in determining the population of 
any municipality which is a large local government 
shall not be taken into account in determining the 
population of such county. 
‘‘(g) APPLICATION
TO INDIAN TRIBAL GOVERN-
MENTS.—An Indian tribal government shall be treated for 
purposes of this section in the same manner as a large 
local government, except that— 
‘‘(1) an Indian tribal government shall be treat-
ed for purposes of subsection (d) as located within 
a State to the extent of so much of the population 
of such government as resides within such State, 
and
‘‘(2) any bond issued by an Indian tribal gov-
ernment shall be treated as a qualified energy con-
servation bond only if issued as part of an issue the 
available project proceeds of which are used for pur-
poses for which such Indian tribal government could 
issue bonds to which section 103(a) applies.’’. 
(b) CONFORMING AMENDMENTS.— 
(1) Paragraph (1) of section 54A(d), as added 
by section 104, is amended to read as follows: 
‘‘(1) QUALIFIED TAX CREDIT BOND.—The term 
‘qualified tax credit bond’ means— 
‘‘(A) a new clean renewable energy bond, 
or 
‘‘(B) a qualified energy conservation bond, 
which is part of an issue that meets requirements of 
paragraphs (2), (3), (4), (5), and (6).’’. 
(2) Subparagraph (C) of section 54A(d)(2), as 
added by section 104, is amended to read as follows: 
‘‘(C) QUALIFIED PURPOSE.—For purposes 
of this paragraph, the term ‘qualified purpose’ 
means— 
‘‘(i) in the case of a new clean renew-
able energy bond, a purpose specified in 
section 54B(a)(1), and
‘‘(ii) in the case of a qualified energy 
conservation bond, a purpose specified in 
section 54C(a)(1).’’. 
(3) The table of sections for subpart I of part 
IV of subchapter A of chapter 1 is amended by add-
ing at the end the following new item: 
‘‘Sec. 54C. Qualified energy conservation bonds.’’. 
(c) EFFECTIVE DATE.—The amendments made by 
this section shall apply to obligations issued after the date 
of the enactment of this Act. 
SEC. 232. EXTENSION AND MODIFICATION OF CREDIT FOR 
NONBUSINESS ENERGY PROPERTY. 
(a) EXTENSION OF CREDIT.—Section 25C(g) (relat-
ing to termination) is amended by striking ‘‘December 31, 
2007’’ and inserting ‘‘December 31, 2009’’. 
(b) QUALIFIED BIOMASS FUEL PROPERTY.— 
(1) IN GENERAL.—Section 25C(d)(3) is amend-
ed— 
(A) by striking ‘‘and’’ at the end of sub-
paragraph (D), 
(B) by striking the period at the end of 
subparagraph (E) and inserting ‘‘, and’’, and 
(C) by adding at the end the following new 
subparagraph: 
‘‘(F) a stove which uses the burning of bio-
mass fuel to heat a dwelling unit located in the
United States and used as a residence by the 
taxpayer, or to heat water for use in such a 
dwelling unit, and which has a thermal effi-
ciency rating of at least 75 percent.’’. 
(2) BIOMASS FUEL.—Section 25C(d) (relating 
to residential energy property expenditures) is 
amended by adding at the end the following new 
paragraph: 
‘‘(6) BIOMASS FUEL.—The term ‘biomass fuel’ 
means any plant-derived fuel available on a renew-
able or recurring basis, including agricultural crops 
and trees, wood and wood waste and residues (in-
cluding wood pellets), plants (including aquatic 
plants), grasses, residues, and fibers.’’. 
(c) COORDINATION WITH CREDIT FOR QUALIFIED 
GEOTHERMAL HEAT PUMP PROPERTY EXPENDITURES.— 
(1) IN
GENERAL.—Paragraph (3) of section 
25C(d) is amended by striking subparagraph (C) 
and by redesignating subparagraphs (D) and (E) as 
subparagraphs (C) and (D), respectively. 
(2) CONFORMING AMENDMENT.—Subparagraph 
(C) of section 25C(d)(2) is amended to read as fol-
lows: 
‘‘(C) REQUIREMENTS
AND
STANDARDS 
FOR AIR CONDITIONERS AND HEAT PUMPS.—
The standards and requirements prescribed by 
the Secretary under subparagraph (B) with re-
spect to the energy efficiency ratio (EER) for 
central air conditioners and electric heat 
pumps— 
‘‘(i) shall require measurements to be 
based on published data which is tested by 
manufacturers at 95 degrees Fahrenheit, 
and 
‘‘(ii) may be based on the certified 
data of the Air Conditioning and Refrig-
eration Institute that are prepared in part-
nership with the Consortium for Energy 
Efficiency.’’. 
(d) EFFECTIVE DATE.—The amendments made this 
section shall apply to expenditures made after December 
31, 2007. 
SEC. 233. EXTENSION OF ENERGY EFFICIENT COMMERCIAL 
BUILDINGS DEDUCTION. 
Subsection (h) of section 179D (relating to termi-
nation) is amended by striking ‘‘December 31, 2008’’ and 
inserting ‘‘December 31, 2013’’.
SEC. 234. MODIFICATIONS OF ENERGY EFFICIENT APPLI-
ANCE CREDIT FOR APPLIANCES PRODUCED 
AFTER 2007. 
(a) IN GENERAL.—Subsection (b) of section 45M (re-
lating to applicable amount) is amended to read as follows: 
‘‘(b) APPLICABLE AMOUNT.—For purposes of sub-
section (a)— 
‘‘(1) DISHWASHERS.—The applicable amount 
is— 
‘‘(A) $45 in the case of a dishwasher which 
is manufactured in calendar year 2008 or 2009 
and which uses no more than 324 kilowatt 
hours per year and 5.8 gallons per cycle, and 
‘‘(B) $75 in the case of a dishwasher 
which is manufactured in calendar year 2008, 
2009, or 2010 and which uses no more than 
307 kilowatt hours per year and 5.0 gallons per 
cycle (5.5 gallons per cycle for dishwashers de-
signed for greater than 12 place settings). 
‘‘(2) 
CLOTHES
WASHERS.—The 
applicable 
amount is— 
‘‘(A) $75 in the case of a residential top- 
loading clothes washer manufactured in cal-
endar year 2008 which meets or exceeds a 1.72 
modified energy factor and does not exceed a 
8.0 water consumption factor,
‘‘(B) $125 in the case of a residential top- 
loading clothes washer manufactured in cal-
endar year 2008 or 2009 which meets or ex-
ceeds a 1.8 modified energy factor and does not 
exceed a 7.5 water consumption factor, 
‘‘(C) $150 in the case of a residential or 
commercial clothes washer manufactured in cal-
endar year 2008, 2009, or 2010 which meets or 
exceeds 2.0 modified energy factor and does not 
exceed a 6.0 water consumption factor, and 
‘‘(D) $250 in the case of a residential or 
commercial clothes washer manufactured in cal-
endar year 2008, 2009, or 2010 which meets or 
exceeds 2.2 modified energy factor and does not 
exceed a 4.5 water consumption factor. 
‘‘(3) REFRIGERATORS.—The applicable amount 
is— 
‘‘(A) $50 in the case of a refrigerator 
which is manufactured in calendar year 2008, 
and consumes at least 20 percent but not more 
than 22.9 percent less kilowatt hours per year 
than the 2001 energy conservation standards, 
‘‘(B) $75 in the case of a refrigerator 
which is manufactured in calendar year 2008 or 
2009, and consumes at least 23 percent but no
more than 24.9 percent less kilowatt hours per 
year than the 2001 energy conservation stand-
ards, 
‘‘(C) $100 in the case of a refrigerator 
which is manufactured in calendar year 2008, 
2009, or 2010, and consumes at least 25 per-
cent but not more than 29.9 percent less kilo-
watt hours per year than the 2001 energy con-
servation standards, and 
‘‘(D) $200 in the case of a refrigerator 
manufactured in calendar year 2008, 2009, or 
2010 and which consumes at least 30 percent 
less energy than the 2001 energy conservation 
standards.’’. 
(b) ELIGIBLE PRODUCTION.— 
(1) SIMILAR
TREATMENT
FOR
ALL
APPLI-
ANCES.—Subsection (c) of section 45M (relating to 
eligible production) is amended— 
(A) by striking paragraph (2), 
(B) by striking ‘‘(1) IN GENERAL’’ and all 
that follows through ‘‘the eligible’’ and inserting 
‘‘The eligible’’, and 
(C) by moving the text of such subsection 
in line with the subsection heading and redesig-
nating subparagraphs (A) and (B) as para-
graphs (1) and (2), respectively. 
(2) MODIFICATION
OF
BASE
PERIOD.—Para-
graph (2) of section 45M(c), as amended by para-
graph (1) of this section, is amended by striking ‘‘3- 
calendar year’’ and inserting ‘‘2-calendar year’’. 
(c) TYPES OF ENERGY EFFICIENT APPLIANCES.— 
Subsection (d) of section 45M (defining types of energy 
efficient appliances) is amended to read as follows: 
‘‘(d) TYPES OF ENERGY EFFICIENT APPLIANCE.— 
For purposes of this section, the types of energy efficient 
appliances are— 
‘‘(1) dishwashers described in subsection (b)(1), 
‘‘(2) clothes washers described in subsection 
(b)(2), and 
‘‘(3) 
refrigerators 
described 
in 
subsection 
(b)(3).’’. 
(d) AGGREGATE CREDIT AMOUNT ALLOWED.— 
(1) INCREASE IN LIMIT.—Paragraph (1) of sec-
tion 45M(e) (relating to aggregate credit amount al-
lowed) is amended to read as follows: 
‘‘(1) AGGREGATE CREDIT AMOUNT ALLOWED.— 
The aggregate amount of credit allowed under sub-
section (a) with respect to a taxpayer for any tax-
able year shall not exceed $75,000,000 reduced by
the amount of the credit allowed under subsection 
(a) to the taxpayer (or any predecessor) for all prior 
taxable years beginning after December 31, 2007.’’. 
(2) EXCEPTION FOR CERTAIN REFRIGERATOR 
AND CLOTHES WASHERS.—Paragraph (2) of section 
45M(e) is amended to read as follows: 
‘‘(2) AMOUNT ALLOWED FOR CERTAIN REFRIG-
ERATORS
AND
CLOTHES
WASHERS.—Refrigerators 
described in subsection (b)(3)(D) and clothes wash-
ers described in subsection (b)(2)(D) shall not be 
taken into account under paragraph (1).’’. 
(e) QUALIFIED ENERGY EFFICIENT APPLIANCES.— 
(1) IN
GENERAL.—Paragraph (1) of section 
45M(f) (defining qualified energy efficient appliance) 
is amended to read as follows: 
‘‘(1) QUALIFIED
ENERGY
EFFICIENT
APPLI-
ANCE.—The term ‘qualified energy efficient appli-
ance’ means— 
‘‘(A) any dishwasher described in sub-
section (b)(1), 
‘‘(B) any clothes washer described in sub-
section (b)(2), and 
‘‘(C) any refrigerator described in sub-
section (b)(3).’’.
(2) CLOTHES WASHER.—Section 45M(f)(3) (de-
fining clothes washer) is amended by inserting 
‘‘commercial’’ before ‘‘residential’’ the second place 
it appears. 
(3) TOP-LOADING
CLOTHES
WASHER.—Sub-
section (f) of section 45M (relating to definitions) is 
amended by redesignating paragraphs (4), (5), (6), 
and (7) as paragraphs (5), (6), (7), and (8), respec-
tively, and by inserting after paragraph (3) the fol-
lowing new paragraph: 
‘‘(4) TOP-LOADING
CLOTHES
WASHER.—The 
term ‘top-loading clothes washer’ means a clothes 
washer which has the clothes container compartment 
access located on the top of the machine and which 
operates on a vertical axis.’’. 
(4) REPLACEMENT OF ENERGY FACTOR.—Sec-
tion 45M(f)(6), as redesignated by paragraph (3), is 
amended to read as follows: 
‘‘(6) MODIFIED
ENERGY
FACTOR.—The term 
‘modified energy factor’ means the modified energy 
factor established by the Department of Energy for 
compliance with the Federal energy conservation 
standard.’’. 
(5) GALLONS
PER
CYCLE; WATER
CONSUMP-
TION FACTOR.—Section 45M(f) (relating to defini-
tions), as amended by paragraph (3), is amended by 
adding at the end the following: 
‘‘(9) GALLONS PER CYCLE.—The term ‘gallons 
per cycle’ means, with respect to a dishwasher, the 
amount of water, expressed in gallons, required to 
complete a normal cycle of a dishwasher. 
‘‘(10) WATER
CONSUMPTION
FACTOR.—The 
term ‘water consumption factor’ means, with respect 
to a clothes washer, the quotient of the total weight-
ed per-cycle water consumption divided by the cubic 
foot (or liter) capacity of the clothes washer.’’. 
(f) EFFECTIVE DATE.—The amendments made by 
this section shall apply to appliances produced after De-
cember 31, 2007. 
SEC. 235. FIVE-YEAR APPLICABLE RECOVERY PERIOD FOR 
DEPRECIATION OF QUALIFIED ENERGY MAN-
AGEMENT DEVICES. 
(a) IN GENERAL.—Section 168(e)(3)(B) (relating to 
5-year property) is amended by striking ‘‘and’’ at the end 
of clause (v), by striking the period at the end of clause 
(vi) and inserting ‘‘, and’’, and by inserting after clause 
(vi) the following new clause: 
‘‘(vii) any qualified energy manage-
ment device.’’.
(b) DEFINITION OF QUALIFIED ENERGY MANAGE-
MENT DEVICE.—Section 168(i) (relating to definitions 
and special rules) is amended by inserting at the end the 
following new paragraph: 
‘‘(18) QUALIFIED
ENERGY
MANAGEMENT
DE-
VICE.— 
‘‘(A) IN
GENERAL.—The term ‘qualified 
energy management device’ means any energy 
management device which is installed on real 
property of a customer of the taxpayer and is 
placed in service by a taxpayer who— 
‘‘(i) is a supplier of electric energy or 
a provider of electric energy services, and 
‘‘(ii) provides all commercial and resi-
dential customers of such supplier or pro-
vider with net metering upon the request 
of such customer. 
‘‘(B) ENERGY
MANAGEMENT
DEVICE.— 
For purposes of subparagraph (A), the term 
‘energy management device’ means any time- 
based meter and related communication equip-
ment which is capable of being used by the tax-
payer as part of a system that— 
‘‘(i) measures and records electricity 
usage data on a time-differentiated basis