Using 20 per cent ethanol blended petrol (E20) marginally impacts fuel efficiency of four-wheelers that are designed for E10 fuel and can be calibrated for E20, which can be reduced with minor tuning.

MALAYSIA, like many nations around the world, is increasingly recognising the importance of fuel efficiency standards for vehicles as a pivotal component in reducing greenhouse gas emissions and ...

When shopping for a new car, one of the most important factors is the vehicle's efficiency. Most modern vehicles are far more efficient than cars in years past, but some models outperform others.