More fuel efficiency means better cars and could mean more jobs.
It will mean far fewer cars, and far less driving all round.
"Roads mean cars and trucks of some kind," she pointed out.
There isn't a lot, but any more would attract more people, which means more cars.
After all, being a movie star doesn't just mean fancy houses and nice cars.
And for the world at large, it means fewer cars on the road.
And more bikes mean fewer cars, a boon to all.
But economic recovery means more cars on the road.
But that hardly makes sense; less bridge work should mean fewer cars, not more.
More people per car means fewer cars and less pollution.