A fundamental difference between gasoline and diesel engines is that a gasoline engine uses spark ignition while a diesel engine uses compression ignition. Before we delve deeper, let's understand ...

When outfitted in an S-Class, the 1.8-liter engine delivers 134 hp per liter of engine and will get up to 40 mpg. Company officials say it will propel the 4,500-pound car to 62 mph in 7.5 seconds.

It is found that the short ignition delay of DME revealed in engine tests is due largely to the short physical delay of DME: The evaporation rate of DME droplets is about twice that of diesel-fuel ...