Refinery/ Distribution Tank/ Engine Transmission
utilities battery
Energy loss —>SOURCE: BMW Traffic and Environment.Efficiency Diesel car Electric car
Refinery or power stationa 96% 36%
Distribution 98% 95%
Tank/battery 100% 68% (charge cycle and heating
loss during standstill)
Engine (depending on drive cycle) 23% 66%
Transmission 90% 95%
Final result 19% 15%
(^2) Without energy losses from the drilling hole to the refinery or power station.
NOTE: Figures for the electric car are for a daily mileage of 30 km (18.6 mi).
SOURCE: Electric car - BMW calculations, Diesel - MTZ 52 (1991) No. 2, p. 60-65.