A tax benefit has allowed Australians to save tens of thousands of dollars when buying plug-in hybrid cars but the motor industry warns that is set to end next year and it could slow sales and undermine emissions reduction efforts. A tax benefit has allowed Australians to save tens of thousands of dollars when buying plug-in hybrid cars but the motor industry warns that is set to end next year and it could slow sales and undermine emissions reduction efforts. Tax, Automotive Industry, Federal Government, Government and Politics, Environment, Electric Vehicles Latest business news