What alternative fuels have been used in transportation to reduce air pollution?

Answer 1

Vegetable oil, corn oil, and E-85 (a blend of ethanol)

Because they don't contain as much carbon as gas, these liquids burn cleaner.

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Answer 2

Alternative fuels in transportation to reduce air pollution include compressed natural gas (CNG), liquefied natural gas (LNG), biodiesel, hydrogen fuel cells, electric power, and ethanol.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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