We got into a partnership with them to develop a small engine a couple of years ago, for their application.

And yet he worried about it: "Do you think the oil companies are going to let me develop a more efficient engine?"

Chrysler is developing a huge 10-cylinder engine that it hopes to place in a sports car by the early 1990's.

Dad, I believe that you have been trying to develop a successful solar engine.

The costs of developing the new cars and engines meant managers now had problems in securing working capital to keep the company going.

"Nobody in the world develops liquid engines easily," he said.

I have really developed a very efficient solar engine.

It's also worth noting that developing a new engine involves a significant effort and would probably cost billions of dollars.

Porsche developed an already existing engine instead of creating a new one from scratch.

It has also been developing engines using liquid propellants since 1988, but with mixed results.