Question

Which is the primary challenge in widespread use of biodiesel fuel?

cost

greenhouse gases

infrastructure

technology

waste products

Answer 1

Answer is cost.

Therefore, refer below.

Step-by-step explanation:

The primary challenge in widespread use of biodiesel fuel is cost.

Answer 2

Answer: cost

Explanation: biodiesel fuel is costly to produce which makes it costly to purchase. Biodiesel also compete with food in terms of the raw product used in its production.