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U.S. Energy Consumption per capita Type % of total Av Annual Growth 1950 2008 1950- 2008 2000- 2008 Petroleum 38.5% 37.4% 0.6% -1.3% Natural Gas 17.2% 24.0% 1.2% -0.9% Coal 35.7% 22.6% -0.2% -1.0% Nuclear 0.0% 8.5% 0.0% Biomass 4.5% 3.9% 0.4% 2.2% Hydro-electric 4.1% 2.5% -0.3% -2.6% Other Renewable 0.0% 1.0% 9.2% 1,000 BPU per capita 228,750 326,846 0.6% -0.9% Source: EIA (U.S. Energy Information Administration)- Annual Energy Review (AER) Table 1.3 Primary Energy Consumption by Source, 1949-2008 Chart Below

Total energy consumption per capita Units: Kilograms of oil equivalent (kgoe) Region 1990 2005 Asia (excluding Middle East) 776 1,052 Central America & Caribbean 1,243 1,366 Europe 4,080 3,773 Middle East & North Africa 1,185 1,766 South America 970 1,151 Developed Countries 4,756 4,720 Developing Countries 685 976 High Income Countries 4,906 5,524 Low Income Countries 432 492 Middle Income Countries 1,365 1,509 United States 7,700 7,886 Japan 3,595 4,135 Source: Total energy consumption per capita at World Resources Institute (WRI) from the International Energy Agency (IEA)

See also: Oil: Crude and Petrleum Products - Energy Explained, Your Guide to Understanding Energy at DOE Energy Information Administration (EIA)

Sector	1950	2008
Industrial	47%	31%
Transportation	25%	28%
Residential	17%	22%
Commercial	11%	19%

Source: EIA Energy Consumption by Sector

See also: World energy resources and consumption - Wikipedia

Industrial - Facilities and equipment used for producing and processing goods.
Commercial - Service-providing facilities and equipment (businesses, government, other institutions). [25%]

Greenhouse Gases:

Increase in Industrial Era (since 1750) Carbon dioxide 35% Methane 153% Nitrous oxide 18% See: Greenhouse Gases

Sector % Transportation 33.0% Industrial 27.4% Residential 21.0% Commercial 18.5% Total 100.0% Electric Power Generation 47.1% See: Sources below

Source of Energy by type:

Type	Sources %
	Oil	Gas	Coal	Nuclear	Hydro	solar	wood
Electricity	3	20	50	20	7	.013
Transportation	97
Heating	37

Source: www.energyjustice.net/sources/

Residential Energy Sources:

Type	1961	2008
Electricity	26.9%	68.7%
Gas	36.1%	23.1%
Oil	25.0%	5.4%
Coal/Peat	5.7%	0.0%
Other *	6.3%	2.8%

* other includes geothermal, solar and biomass
Source:Manhattan Institute for Policy Research

Electricity Usage 2006

Residential	6.2%
Commercial	58.9%
Industrial	32.9%
Trans-portation	2.0%

Sources:
1. EIA - Electricity Basic Data from the DOE.gov

Residential Usage (one-fifth of total)

Heating/Cooling	42%
Lighting/Appliances	36%
Water Heating	14%
Refigeration	9%

Transportation:

The airlines industry consumes about 
205 million tones of aviation fuel (kerosene) each year.

Gasoline	62%
Diesel	24%
Jet Fuel	8%
Natural Gas	2%
Other	4%

Personal vehicles (cars and light trucks): 63%
Cars	32%
Light Trucks	28%
Other Trucks	16%
Aircraft	9%
Boats	5%
Construction & Agriculture	4%
Pipelines	3%
Trains & Buses	3%
Source: Transportation use of Energy at eia.doe.gov 2007

From U.S. Department of Energy, Transportation Energy Data Book: Edition 26-2007.

Source: U.S. Energy Information Administration (eia.doe.gov/cneaf/electricity/epa/)

Source of U.S. CO₂ (Carbon Dioxide) Emissions (Million metric Tons)

Type	1990		2000		P2008		Avg. Annual Growth
	M tons	%	M tons	%	M tons	%	1990- 2008	2005- 2008
Petroleum	2,178	43.5%	2,458.0	42.1%	2,412.7	41.6%	0.6%	-2.7%
Coal	1,797	35.9%	2,141.5	36.6%	2,130.4	36.7%	1.0%	-0.5%
Natural Gas	1,026	20.5%	1,234.3	21.1%	1,246.9	21.5%	1.1%	1.9%
Total	5,007		5,844.3		5,801.6		0.8%	-1.0%
Sources by Sector
Residential	957	19.1%	1,177.5	20.1%	1,221.1	21.0%	1.4%	-0.9%
Commercial	784	15.7%	1,011.7	17.3%	1,075.8	18.5%	1.8%	0.5%
Industrial	1,683	33.6%	1,782.6	30.5%	1,587.8	27.4%	-0.3%	-1.7%
Transportation	1,583	31.6%	1,872.5	32.0%	1,916.8	33.0%	1.1%	-1.2%
Total Energy	5,007	100.0%	5,844.3	100.0%	5,801.6	100.0%	0.8%	-1.0%
Electric Power Generation	1,815	36.2%	2,294	45.8%	2,359	47.1%	1.5%	-0.5%

Source: EIA - Emissions of Greenhouse Gases in the U.S. 2008-Carbon Dioxide Emissions
(eia.doe.gov/oiaf/1605/flash/excel/Flash_2008.xls)
Average Population Growth 1990-2008 = 1.1% per year
_

The combined power generating capacity of new U.S. wind turbines installed in 2009 hit more than 9,900 megawatts, up from a gain of over 8,400 MW in the previous year. Total capacity hit more than 35,000 MW, or about enough to power 9.7 million homes. This is still only about 1% of total energy used.
 

Source: EIA - Annual Energy Review (AER)
Table 1.3 Primary Energy Consumption by Source, 1949-2008

1998  Energy Consumption

World 12.8 TW
US     3.3 TW (26%)  
We have 5% of the population but use 26% of the resources.

Source: Energy and Transportation: 
        Challenges for the Chemical Sciences in the 21st Century (2003)

Transportation:
Average car in New Jersey 20 MPG 12,500 miles/year

Average Mileage
1988   26 MPG
1999   24.5 MPG

Vehicle data - Number, Miles, Fuel Consumption

Source: U.S. Product Supplied of Crude Oil and Petroleum Products (Thousand Barrels per Day)

Estimated energy prices by sector 2012 - 2040

Source: U. of Oslo - Energy consumption and living standard at physics.uio.no/energy/fys4540/FYS4540_slides_1.pdf

The average American uses twice the energy of the average European.

Energy Measurement:

Energy:
The metric unit for energy is the joule (J).
The english unit is British thermal unit (BTU)
1 Btu  = 1,055 J
1 joule = 1 watt (W) * 1 sec
1 MJ: one million joules
1 GJ = Giga (109) Joul
1 EJ  =  Exa (1018) Joul = 109 GJ =  .95 Quad
1 quad   quadrillion Btu   1015  Btu = 1.055 EJ 
1 toe   (metric) ton of oil equivalent    39.7 million Btu = 42 GJ
1 bboe   billion barrels of oil equivalent 5.8 million Btu = 1700 kWh
1 tce   (metric) ton of coal equivalent   27.8 million Btu
 KGOE (Kilograms of oil equivalent) - 41,868 kilojoules/kg = 11.628 kWh
   Approximate amount of energy that can be extracted from one kilogram of crude oil. 
1 mcf nat.gas (LHV) = 10.26 therm = 1.026 mmBtu = 1.082 GJ
1 KWh    Kilowatt-hour = 3,412 Btu

Power:
1 TW = Terra 10^12 (1 trillion) Watt = 31.5 EJ/year

Volume - weight:
bbl - Barrrel = 42 U.S. gallons
MMBbl - Million barrels
boe - Barrel of oil  equivalent = 42 U.S. gallons (35 Imperial gallons)
1.0 metric tonne (tonne) = 1000 kilograms = 2205 pounds = 7.3 barrels = 307 gallons
1.0 U.S. ton (short ton) = 2000 pounds
1.0 metric tonne (tonne) = 
 L: Liter = 0.2642 gal

Number prefixes (K, M, G, ...)
ppm - Parts per million
ppb - Parts per billion

Glossary here

Energy Content (Lower Heating Values):
Crude Oil = 6.119 GJ/bbl = 5.8 mmBtu/bbl  = 39.7 mmBtu/ton
                = 145.7 MJ/gal = 38.5 MJ/L = 41.868 MJ/kg (GJ/ton) 	
Gasoline  = 121.8 MJ/gal = 32.2 MJ/L = 43.69 MJ/kg =115 mBtu/gal
Diesel    =  135.5 MJ/gal = 35.6 MJ/L = 41.84 MJ/kg =128 mBtu/gal
Ethanol   =    80.2 MJ/gal = 21.2 MJ/L = 26.86 MJ/kg =  76 mBtu/gal
Biodiesel = 124.8 MJ/gal = 33.0 MJ/L = 37.47 MJ/kg =121mBtu/gal
Hydrogen @ 35MPa (HHV) = 10.22 MJ/gal = 2.7MJ/L = 120 MJ/kg
UN Standard Coal = 30 GJ/ton
   Bituminous    = 27-30 GJ/ton (MJ/kg) = 25-28 mmBtu/ton
    Subbitum.    =  20-26 GJ/ton (MJ/kg) = 19-24 mmBtu/ton
         Lignite =  10-19 GJ/ton (MJ/kg) = 9-18 mmBtu/ton
Natural Gas @ STP = 37 MJ/m3  = 36mBtu/m3  = 1025 Btu/ ft3 
    CNG @ 20MPa = 35.16 MJ/gal = 9.288 MJ/L = 50.04 MJ/kg 
LPG@1.5MPa =88.1MJ/gal=23.3MJ/L=19.8mBtu/lb=84.5 mBtu/gal 
Methanol = 63.3 MJ/gal = 16.71 MJ/L = 21.1MJ/kg = 52.8 mBtu/gal
Air-Dried (20% Moisture Content) Wood = 15 GJ/ton
Uranium = 80 GJ/g fissioned = 400 GJ/kg mined (fsnOd =.5% mnOd)

How do they determine MPG for electric cars?
The fuel economy window sticker on the 2014 Ford Focus Electric proclaims 105 "miles per gallon equivalent" (MPGe)
They calculate energy used to get this number.
1 gallon of gas will produce 115,000 BTUs (British thermal units) of energy. To create the same amount of heat, you would need 33.7 kilowatt-hours (kWh)of electricity. So if the 2014 Ford Focus EV could travel 100 miles on 33.7 kWh of electricity (the energy equivalent of 1 gallon of gasoline), it would receive an mpg equivalency of 100 MPGe.

Note: Hybrid cars may have higher MPG ratings in stop and go (city) driving because of the regenerative braking system, which captures energy lost in breaking, using it to charge the batteries.

See also
Understanding Electric Car MPG on Edmunds.com
Gasoline gallon equivalent (GGE) or gasoline-equivalent gallon (GEG) - Wikipedia

See also Greenest cars at GreenerCars.com

Links:
Energy Information Administration (EIA) www.eia.doe.gov/
  Energy And The Environment: Myths And Facts Update International Energy Agency (IEA)
Intergovernmental Panel on Climate Change (IPCC)
Sunil Somalwar's Energy pages
Energy Use Data Handbook: Handbook Tables (Canada)
  Total End-Use Sector
  Residential
  Commercial/Institutional
  Transportation
  Electricity Generation
  s Greenhouse Gas Emissions
Energy Use in the US at Wikipedia
Home Heating Costs
Table Comparing Current 2008 Home Heating Costs for Oil, Gas, Electricity, Firewood, coal, natural gas, propane, kerosene, heat pumps in the U.S.
Energy Abbreviations Page at DOE
Energy and The Environment: Myths and Facts (www.manhattan-institute.org)) pdf
The Institute for the Analysis of Global Security - Gossary
Pollution due to land travel, air travel, and food transportation
High Oil Prices Have Significant Effects on Consumers and the U.S. Economy at senate.gov

International
Reykjavik, Iceland.
Vancouver, Canada.
Copenhagen, Denmark. ...
Oslo, Norway. ...
London, England. ...
Malmo, Sweden. ...
Boston, San Francisco, Portland and New York.

1. Concord, CA
2. San Jose, CA
3. Sacramento, CA
4. San Francisco-Oakland, CA
5. Madison, WI
6. San Diego, CA
7. Seattle, WA
8. Portland, OR
9. Providence, RI
10. Denver-Aurora, CO
11. Los Angeles-Long Beach-Anaheim, CA
12. Boston, MA