There is a free (electric) bus service,
and ex-government electric vehicles are given to the disabled or
retirees as part of their retirement package.
Some commercial and Industrial vehicles are powered by natural gas,
but very few use diesel or petrol. The are no petrol stations on the
island apart from at the waterfront, although stocks are also held
by the government for special vehicles.
Currently most watercraft are still powered by petrol or diesel, but there
are competitions to come up with alternative energy sources for them
also.