But can your car become an efficient, aromatic vehicle, too?

But that will be part of a broader program to produce cleaner, more efficient vehicles, he said.

Automakers have made the big vehicles a bit more fuel efficient for this model year.

This was an early demonstration project for clean and efficient vehicles.

But what if gasoline prices fall again and bigger, less efficient vehicles become more popular?

For its size it was the most efficient and deadly vehicle ever built.

It is the result of car manufacturers attempting to provide more efficient vehicles.

A 4x4 is a very efficient vehicle for a family who run a hill farm.

He also said it would redouble efforts to build more efficient vehicles.

I welcome the recent communication on clean and efficient vehicles.