Tagged Questions
4
votes
2answers
405 views
Does the time of day affect fuel economy?
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 ...
7
votes
1answer
261 views
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 ...
11
votes
1answer
739 views
Do black cars consume more fuel?
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 ...
6
votes
0answers
261 views
Are electric cars better for the environment than internal-combustion cars? [duplicate]
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 ...
17
votes
4answers
834 views
Has fuel efficiency of cars decreased over time?
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 ...