Tags green transition;petrol price; low-emission zones (LEZs) Fuel fight as Việt Nam’s tough new mileage rules face pushback Wednesday, Sep 17, 2025 The draft fuel economy standards at 4.83 litres per 100 km by 2030 must push nearly all gasoline – powered car models off the market, Vietnam Automobile Manufacturers Association (VAMA) said, calling for a roadmap with softer fuel economy rules.