Australian think tank the Grattan Institute is calling on the government to end the sale of new petrol and diesel cars by 2035 to help meet the 2050 net-zero emissions target. In its new report, the think tank said zero-emissions vehicles should be exempt from stamp duty, import duty, and luxury car tax to make the cars cheaper and more accessible to the public. It said that removing stamp duty alone would cut the cost of electric vehicles (EVs) by 6.5 percent, and removing import tax would lower the price by another 5 percent. “Governments should encourage a thriving market for zero-emissions vehicles by exempting them from inefficient taxes such as import duties, luxury car tax, and motor vehicle stamp duty,” the report said. “They should ensure drivers across the country have somewhere to charge electric models.” The institute believes the best policy would be a blanket emissions tax but …