Running a 500-hp diesel engine to generate cab and sleeper heat is like whittling with a chainsaw. It can be done, but not without a lot of excess noise and energy. The most efficient truckers have ...

I got given a 5kW heater for the workshop, powered by diesel fuel and colloquially known as a ‘Chinese diesel heater’ (right) – they seem to be based on designs from German companies Webasto and ...