Fresh off of a big ban of internal combustion cars, China is extending tax rebates for electrics for another three years.

The announcement was made at the very end of last year. It’s another step in what seems to be the road to banning internal combustion cars from the country altogether.

It comes just after the Chinese government announced that it was stopping production of 553 new cars because they produced more emissions than was deemed acceptable.

Instead of the tax exemption ending with 2017, it has now been extended until the end of 2020. The tax benefit applies to full-electric, plug-in hybrid, and fuel-cell powered vehicles. The tax exemptions are worth up to $15,000 per vehicle, making them the second highest in the world after Norway.

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Buyers of EVs in China also get a benefit when it comes to actually getting on the road. In at least six Chinese cities, EV buyers skip the auctions, lotteries, and high fees that go with getting licence plates for a conventional car in the country.

The government is also readying strict new quotas for electrified vehicles that will drive buyers to the cars even more.

It’s part of the country’s efforts to curb greenhouse gas emissions and lower pollution levels in the country. The government has said previously that it wants 5 million electrified cars on the road by 2020. China has set a target to curb their greenhouse gas emissions by 2030.

China is now the world’s largest auto market, and saw sales of plug-ins, EVs, and fuel-cell vehicles jump more than 50 percent in 2017 to hit 700,000 sales.