alleryBy the end of 2002 all Delhi buses had switched from diesel to:
AKerosene
BCoal gas
CCNG fuel
DPetrol
Answer & Solution
Correct answer: C. CNG fuel
1. The Supreme Court ordered cleaner public transport.
2. The whole bus fleet changed fuel.
3. They now run on compressed natural gas, CNG.
_Source: syllabus Biology, Chapter 16, Environmental Issues._
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