China’s island province of Hainan has announced it will ban fossil fueled vehicles by 2030. The nation’s smallest and southernmost province, Hainan is the first to set a target date to phase out petrol-powered vehicles since Beijing announced plans in 2017 for a nationwide ban. Known as China's Hawaii, Hainan will begin replacing retired government cars, public buses and taxis with new clean-energy vehicles and eventually will extending the effort to tourist buses, rental cars and light…