compression ratio
Audi Developing New Fuel-Saving Engine Technology
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Smaller, more sophisticated engines are on deck at Audi with technologies that will characterize the company’s future products.
Under the Hood: What is Octane?
Anyone that’s ever topped off their tank or filled up a jerry can knows gasoline comes in different grades, from regular unleaded to pricey premium. Each “flavor” has a number that corresponds to its octane level, but what does this mean? What is octane and what role does it play? AutoGuide reached out to experts…
