At the end of last year half of China’s one million taxis were natural gas-powered. They are so popular their growth has outstripped the supply of gas! To see what I mean click here.
But gas-powered taxis are not as new as y0u might think. True to its engineering innovative history, Birmingham had already fielded gas-powered Austin taxis in 1940! For some reason they did not catch on at the time – to perhaps see why click here.