https://www.cer-rec.gc.ca/en/data-analysis/energy-markets/market-snapshots/2021/market-snapshot-battery-electric-vehicles-are-far-more-fuel-efficient-than-vehicles-with-internal-combustion-engines.html
Battery electric vehicles (BEVs)Footnote 1 for sale in Canada in 2021 are far more fuel efficientFootnote 2 than vehicles with internal combustion engines (ICEVs). This higher efficiency is largely because electric motors are much more efficient than internal combustion engines (ICEs).
In ICEVs, fuels like diesel and gasoline are ignited so the expanding gas pushes pistons to create motion. However, only 12% to 30% of the energy in gasoline is used to move a vehicle, with most of the remaining energy lost as heat.
BEVs, on the other hand, have electric motors, which use almost all of the energy in electricity to move the vehicle. BEVs also use “regenerative brakingâ€, where, to slow down, the vehicle’s brakes convert kinetic energy (or motion) into electricity and store it in BEV batteries. Altogether, BEVs are far more efficient than ICEVs, with over 77% of the energy in electricity converted into movement when including regenerative braking.
Hybrid-electric vehicles (HEVs) are powered by both an electric motor and an internal combustion engine.Footnote 3 As a result, they are generally more efficient that ICEVs but less efficient than most BEVs.
Battery electric vehicles (BEVs)Footnote 1 for sale in Canada in 2021 are far more fuel efficientFootnote 2 than vehicles with internal combustion engines (ICEVs). This higher efficiency is largely because electric motors are much more efficient than internal combustion engines (ICEs).
In ICEVs, fuels like diesel and gasoline are ignited so the expanding gas pushes pistons to create motion. However, only 12% to 30% of the energy in gasoline is used to move a vehicle, with most of the remaining energy lost as heat.
BEVs, on the other hand, have electric motors, which use almost all of the energy in electricity to move the vehicle. BEVs also use “regenerative brakingâ€, where, to slow down, the vehicle’s brakes convert kinetic energy (or motion) into electricity and store it in BEV batteries. Altogether, BEVs are far more efficient than ICEVs, with over 77% of the energy in electricity converted into movement when including regenerative braking.
Hybrid-electric vehicles (HEVs) are powered by both an electric motor and an internal combustion engine.Footnote 3 As a result, they are generally more efficient that ICEVs but less efficient than most BEVs.
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