If oil prices keep falling, there is a real danger that the billions invested by automakers and suppliers on smaller, cleaner-running and more fuel-efficient engines, on lighter vehicles, on hybrids and on more-efficient transmissions will be lost.
If oil prices keep falling, there is a real danger that the billions invested by automakers and suppliers on smaller, cleaner-running and more fuel-efficient engines, on lighter vehicles, on hybrids and on more-efficient transmissions will be lost.