Another advantage is reduced emissions.
But along with this, the U.S. has reduced emissions.
More efficient computers have reduced emissions from PCs by 30-40%.
This hydrogen is then added to the intake air resulting, says Okuda, in reduced emissions.
Kohler, for instance, wanted to promote water conservation; Mercedes-Benz, reduced emissions.
Environmentalists generally agree, but say that even the plants' reduced emissions would aggravate existing pollution.
Alcoa claims it has voluntarily and dramatically reduced emissions of unregulated toxins.
In manufacturing, Toyota has already reduced emissions per vehicle by 47% between 2001 and 2012.
Faster production lines, recycling products and developing innovative technologies have reduced emissions by 60%.
It also boasts reduced emissions and noise, thanks to engines designed by Pratt & Whitney specifically for the aircraft.
"There are benefits in terms of reduced congestion, reduced emissions associated with congestion, and convenience to motorists," he said.
