Question

which fuel is called eco-friendly and why​

Answer 1

Answer:

Natural gas is the cleanest fossil fuel

Natural gas is extremely efficient when it combusts, producing heat, water vapor and carbon dioxide. Natural gas produces almost no carbon monoxide, sulfur dioxide, dissolved solids or airborne particulates, all of which can be harmful to human and animal health.

Explanation:

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Answer 2

Biodiesel

Biodiesel is mainly made from a varied mix of feedstocks that include soybean oil, recycled cooking oil, and animal fats. Biodiesel is locally produced in many countries.