Motorists traveling in Pennsylvania pay the third highest gas tax in the U.S. and a state lawmaker proposes ensuring they ...

Delhi's Transport Department enforces fuel stickers on vehicles to identify emissions and fuel types, with penalties for ...

Diesel vehicles are supposed to get orange coloured stickers, while petrol and CNG vehicles are required to get light blue ...

Like labels on cigarettes, opponents say fossil fuel warnings could change attitudes. Others call it gasoline “shaming.” ...