11:10pm PST - March 9th, 2022

Optimum fuel efficiency of an internal combustion engine is ~94kph. Driving above this speed increasingly reduces fuel efficiency, I.e., it costs more to drive faster. This is why I drive at 100kph on the motorway instead of the speed limit of 120. https://t.co/UZW9UmKjDo

0 retweets   0 likes  - Michele Hallahan (@Ecologicmichele)