I do have a home charger with an Octopus overnight tariff of, currently, 9p / kWh, so the cost of driving my Leaf is indeed a fraction of the cost of driving the missus's diesel Golf. (View Post)

IIRC, petrol and diesel cars are typically at their most efficient when driven at their lowest comfortable speed in top gear, typically around 40 to 50 mph. With EVs, of course, the slower the better… (View Post)

In heavy traffic, lower speed limits can, rather unintuitively, also increase the rate of traffic flow. This is because the stopping distances are also reduced, which means that gaps between cars are… (View Post)

ICEs are at their most efficient when running within a specific rev range and under a specific load. While the drag is less at lower speeds than around 45 mph, the engine also delivers power less eff… (View Post)

I can vouch for that, having driven a hire car around Sicily for a week a couple of years ago. The sense of relief when I handed the car back undamaged (unlike 99% of the other cars on the road) at t… (View Post)