How can they make a more efficient car when they used to make them smaller, made

JamesH

Member
Joined
May 28, 2008
Messages
233
Reaction score
0
Points
16
out of plastic, used aluminum? to make most of the engines, made the engines smaller ( 4 - cylinders), and gave most of them multi-speed gear shifters. They also made the speed limit 55 mph. What else can they do?
 
Back
Top