One tip that I heard as a young driver was something along the following: Try to refuel in the early morning or in the evening as the denser gas will get you better fuel economy. Since then I ...
Can an on-the-fly water electrolyzer linked to the air intake improve fuel efficiency of a gasoline engine?
This article initially seems to investigate so-called water powered cars. The final few paragraphs of the article however branches off into discussion about a system where (as I understand it): A ...
Some time in 2009, California passed new regulations, banning black cars (here's one source) on the grounds that black cars have higher emissions than other colors of cars. The theory is that black ...
Possible Duplicate: Does a car with a hybrid engine and Lithium batteries pollute more than a car with conventional technology? We hear a lot about electric cars being the future. But we ...
I'm seeing some conspiracy theories making the rounds which claim that car-manufacturers are intentionally making cars that aren't as fuel efficient as they used to be. They often point to the Geo ...