Here are 11 key themes which emerged. 1. Cushioning petrol duty hikes As part of measures to shift towards a greener and sustainable Singapore for all generations, petrol duty rates will be raised by 15 cents per litre for premium petrol and 10 cents per litre for intermediate petrol. The Government will set aside $113 million to provide rebates for petrol and petrol-hybrid vehicles, to ease the transition following the hike. There will be a 15 per cent road tax rebate for owners of private cars for one year, and a 60 per cent rebate for those owning motorcycles. Owners of commercial vehicles will get a 100 per cent tax rebate for a year.