In normal operation, it uses diesel only as a pilot fuel to get under way.

A large generator using diesel was built to bring the electricity to the elite town.

The engine is started using diesel, before switching to the biofuel.

The plant is also designed to use diesel, if the natural gas is unavailable.

The Spirit could use gasoline, diesel, or common ethanol fuel mixtures.

The other 20 will continue using regular diesel and serve as a control group in the five-year test.

As a result it uses modern diesel multiple units exclusively.

The engine used either gasoline, diesel, or kerosene to work.

In addition, the Army's latest vehicles use diesel rather than gas-turbine drive trains.

He declined a $4 million sponsorship from a company that would have required them to use regular diesel.