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16-201-XWE
Human Activity and the Environment: Annual Statistics
2006


Tables

Text table 1.11
Alternative fuels and vehicles

  What it is Environmental advantages
Fuels
Biodiesel A liquid fuel created from vegetable oils and waste oil products. Renewable fuel; diverts waste from landfills; fewer GHG emissions than gasoline or diesel on a life cycle basis; non-toxic and biode- gradable
Ethanol An alcohol produced from fermenting grains and other products that is blended with gasoline Renewable fuel; burns more cleanly and completely than gasoline or diesel on a life cycle basis; fewer GHG emissions than gasoline or diesel
Natural gas A mixture of gases found in porous rock formations Burns more cleanly than gasoline or diesel; fewer GHG emissions and toxic pollutants than gasoline or diesel
Propane A pressurized gaseous fuel that is a by-product of natural gas production Burns more cleanly than gasoline or diesel; fewer GHG emissions and toxic pollutants than gasoline or diesel
Vehicles
Fuel cells and hydrogen Fuel cells generate electricity by electrochemically combining hydrogen and oxygen On a life cycle basis, they produce zero or very few emissions (depending on hydrogen source); no toxic pollutants; only tailpipe emissions are heat and water vapour if pure hydrogen used
Battery-electric Powered by motors that draw electricity from on-board storage batteries No pollutants or GHG emissions from the tailpipe or through fuel evaporation
Hybrid Powered by batteries and a conventional internal combustion engine Fewer GHG emissions than conventional gasoline vehicles
Source(s): Natural Ressources Canada, 2005, Vehicle Fuel, www.oee.nrcan.gc.ca/transportation/personal/vehicle-fuels.cfm?attr=8#electric (accessed March 29, 2006)


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