Difficulty: Medium
Correct Answer: if both Assumption I and Assumption II are implicit
Explanation:
Introduction / Context:
A nationwide switch of all commercial vehicles to bio-fuels presupposes technical feasibility and adequate supply.
Concept / Approach:
I is necessary (retrofit/engine compatibility, distribution). II is necessary (volumes to sustain the entire fleet). Without either, the decision is impracticable.
Final Answer:
if both Assumption I and Assumption II are implicit
Discussion & Comments