Motorcycles can be insanely efficient, some pretty ordinary ones achieve well over 100mpg. But internal combustion engines themselves are pretty maxed out on e

Motorcycles can be insanely efficient, some pretty ordinary ones achieve well over 100mpg. But internal combustion engines themselves are pretty maxed out on efficiency, in the mid 30% range. At least in the US, motorcycles are more often toys than tools so people buy bikes that emphasize other characteristics at the great expense of efficiency, and the more practical and efficient options are not even for sale.