Re: Fag packet calculation time...
I must be missing something , the average cars petrol storage capacity is about 400kw hours worth of energy and a standard photo voltaic array will give 4kw in bright sun so assuming 10 hours sun- that is 40kw hours-ie we need 10 days of bright sun for 1 charge
ICE ends up generating lots of noise, heat etc that isn't useful as motion, as well as incurring lots of transmission losses; The engine power output at the fly wheel and power output measured at the road wheel are always significantly different. Its not uncommon for a 4wd transmission to shed 30% of power between flywheel and roadwheel.
Leccy cars have much lower transmission losses, generating fewer by products in smaller volumes. Its the conversion of energy in storage into motion that makes the gap you think you're emissing IMHO.