Comment Comment by ars "grams of CO2 per km" is a very strange way to rate an engine.It makes sense for a complete car. But just an engine by itself? Without specifying the speed of the car, weight of the car, aerodynamic shape, type of fuel? parent ars 14 years ago
It makes sense for a complete car. But just an engine by itself? Without specifying the speed of the car, weight of the car, aerodynamic shape, type of fuel?