Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution
What is flex fuel engine in motor vehicles?
1
Engines which run exclusively on biofuels.
2
Engines which are compatible with only 50% biofuel and 50% gasoline.
3
Engines in which biofuels and gasoline can be put in any ratio.
4
Engines which run on both diesel and CNG.