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5
votes
1answer
240 views

Does Shell's “Nitrogen enriched” gas have positive effects?

Shell gas stations here in Canada claim to be "nitrogen enriched"; WHY SHOULD YOU USE SHELL NITROGEN ENRICHED GASOLINE? It is the only gasoline that contains the patented and exclusive Shell ...
8
votes
3answers
5k views

Does pumping gas when the tank is half full and on the low flow setting provide an economic benefit?

There is a chain post making the rounds in my social networks. It asserts that gasoline vapors can affect how much fuel you actually get. To minimize the amount of vapor passed through the ...
14
votes
1answer
609 views

Did banning lead additives in petrol (gasoline) make a large contribution to lowering lead levels in people's blood?

There has been a renewed interest recently in the effects of low doses of lead especially in children (see this question, for example: Is lead exposure responsible for the rise and fall of violent ...
15
votes
2answers
418 views

Does the gasoline of different gasoline brands have any real acknowledgable difference?

A friend of mine said that he could apparently get better mileage using Chevron oil instead of Shell's (and other brands). Is there any substance to this claim?
20
votes
1answer
457 views

Do lower speed limits reduce gasoline usage?

There are three parts to this question: Does speed have an effect on miles-per-gallon? Is there a more accurate causal effect than speed that would also cause a connection at varying speeds? ...
15
votes
2answers
3k views

Would a large quantity of gasoline in a closed container explode violently when exposed to fire?

We've all seen the movies: Rambo runs over one of the terminals at a gas station, freeing the flow of gasoline to the street, the gasoline finds its way under a military vehicle, and the vehicle ...