Multiple choice

Why are alternative sources of fuel (biomass/biodiesel) an important engineering advancement?

  1. they can be produced at home

  2. they can be used for any form of energy

  3. they are clean, harmless, & renewable resources

  4. they could immediately replace fossil fuels

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Biomass and biodiesel are considered renewable because they are derived from organic materials that can be regrown, and they generally produce fewer harmful emissions than fossil fuels.