According to statistics from the Land Transport Authority, there were 10,848 petrol-electric hybrid cars on Singapore roads as of January this year.
The current Carbon Emissions-based Vehicle Scheme will be replaced with a new Vehicular Emissions Scheme while diesel taxes are restructured.
Two current schemes with incentives to purchase environmentally friendly vehicles will be improved or extended - as announced in Budget 2014 yesterday.
Taxi companies are testing out new 'cleaner' models for taxis due to the CEVS scheme that offers rebates for greener vehicles.
Diesel powered cars are expected to be a huge draw among buyers when a new emission based tax system kicks in next year.