After 125 Years, Diesel May Be Dead

Diesel engines have been around for over 120 years, and in that time, they have proven to be the most efficient form of internal combustion engine for applications as varied as large cargo ships, trucks, trains and even airplanes. Compared to spark ignited gasoline engines, they are more thermally efficient and deliver lower fuel burn per horsepower. Like all internal combustion engines, however, increasing stringent environmental regulations and the need to reduce CO2 emissions means that their days are numbered in many applications. That’s especially true in light trucks. They’re still available, but won’t be for long. Jim Anderton comments.

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