Environmental Benefits of Electric Vehicles
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veva.ca |Vancouver Electric Vehicle Association
Environmental Benefits
of Electric Vehicles | |
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ELECTRIC CARS CHARGED FROM THE GRID ARE AT LEAST 3 TIMES CLEANER THAN GAS CARS. Even with the upstream emissions of the US average grid, the electric car still only produces 1/3 the emissions of a gasoline car rated at 8.4l/100km by EPA*.
ENERGY EFFICIENCY
Electric Motors are THREE TIMES more efficient at converting energy to wheel torque.
• the tell-tale sign – no heat generated in the process!
• use energy only for acceleration and maintaining constant speed.
• require no warm-up time.
• significantly lighter for the same horsepower.
Electric Motors can recapture energy through REGENERATIVE BRAKING.
• vehicle brakes last three times as long!
• up to 10% of the energy can be recovered!
GREEN HOUSE GAS OUTPUTS FOR ELECTRIC CARS
Electric cars are ZERO EMISSION.
Electricity can be generated from a wide variety of sources. The only emissions are from upstream electricity production, which is dependent on source: (CO2 equivalents)
• BC Hydro 33kg /MWh (90% Hydro power)
• Alberta Average 979kg /MWh (90% Fossil Fuels)
• USA Average 614kg /MWh (75% Fossil Fuels – 55% Coal)
Electricity can also be generated from these emerging RENEWABLE sources:
• Wind 0kg /MWh
• Solar PV 0kg /MWh
• Tidal and Wave 0kg /MWh
• Biomass (GHG neutral – from normal carbon cycle)
*Cars listed in the comparison (chart above):
2006 Honda Accord (Gasoline Engine); 2006 VW Jetta Diesel (Diesel Engine); 2006 Honda Hydrogen Fuel Cell (Hydrogen Fuel Cell); 2006 Mitsubishi MIEV (aka Colt) Electric Prototype (Electric Vehicle).
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