We try three different types of diesel fuel in search of speed ... oh, and economy, of course. Here in Los Angeles, we can ...

Michael Leamy receives funding from the National Science Foundation, the Department of Energy, General Motors, and other government agencies and corporations. Gasoline fuels most light-duty vehicles, ...

If your lifestyle or profession requires a heavy-duty pickup truck, the odds are favorable that truck will have a diesel powerplant under the hood. Although diesel fuel is currently more expensive ...

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.