A third round of funding for low-carbon buses has been announced by the Scottish government. A total of £3 million (US£4.7 million) will be available to bus operators under the Green Bus Fund 3 scheme. Keith Brown, Scottish transport minister, said the first two rounds helped nine operators introduce 74 new eco-friendly buses. Lothian Buses, which secured funds in an earlier round, said its new ADL Enviro 400H hybrids are 56.7% more fuel efficient than the old buses they replaced.