Small business is America's most powerful engine of opportunity and economic growth.
Despite being given a more powerful engine, it was not a success.
It may need a more powerful engine to deal with that weight.
Its powerful 21.2cc 2-stroke engine can power through large jobs.
The powerful new engine gave the final design a road speed of 30 miles per hour.
How would you begin the design process for an engine this powerful?
The second series had a larger and more powerful engine.
They are the most powerful engines in the country yet.
A new, more powerful engine will not be ready until next year.
Suddenly there was the sound of a powerful engine outside the door.