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Fuel Consumption

Fuel consumption is a major issue in today's world. Because oil reserves are running low, we will need to cut our fuel consumption or else the cost of gasoline will only go up. Check out these great fuel consumption articles from HowStuffWorks.

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What does octane mean?

Adding a chemical called tetraethyl to gasoline can significantly improve the gasoline's octane rating. So what does octane mean? Read on to find out.


Why do some engines use a dry sump oil system?

I have heard that both race cars and some motorcycles (like Harley-Davidsons) use a dry sump oil system. What is the advantage of a dry sump? See more »

What does octane mean?

Adding a chemical called tetraethyl to gasoline can significantly improve the gasoline's octane rating. So what does octane mean? Read on to find out. See more »

If you have ever pumped gas that claimed to "oxygenated" -- something that is common in most urban areas in the winter -- then you have used gasoline containing MTBE. See more »