The aim is to create an incentive for businesses to decrease emissions.
There are a lot of reasons to find another way to power our automobiles: End dependence on foreign oil and decrease emissions, to name two.
But the catalytic converter does nothing to decrease emissions of carbon dioxide, the main greenhouse gas.
Modern gas abatement systems can decrease such emissions.
The latter improves performance and substitutes lead thus decreasing polluting emissions.
So decreasing the fuel consumption of the car is one of the surest ways to decrease emissions.
The first two will eliminate all vehicle emissions, while the third one will only slightly decrease emissions.
What we need is an overall development that decreases emissions in all sorts of cars.
In one intracampus mail system, it was found that the use of Segways decreased emissions.
Adequate air during combustion also decreases emissions of the two substances.