Which is the most effective pollution control for mobile vehicles-cars,jeepneys,tricycles etc. (philippine setting)
a. stricter emisssion testing
b. use of natural gas
tnx for ur help :)
- ZarnLv 710 years agoFavorite Answer
Use of natural gas. They'll be better for the environment by default, because that would cut down on the number of two-stroke engines used (which are horrible for the environment).