Bus operators, local authorities and regional transport partnership’s across Scotland can apply for a share of £3 million to go towards low carbon emission buses.
The Scottish Green Bus Fund, now in its seventh year, aims to help support the introduction of new low carbon vehicles across the country.
The Scottish government has already invested £14.8m over the previous six rounds.
Transport minister Humza Yousaf said: “The Scottish government is committed to the introduction of cleaner and greener transport. We continue to spend nearly a quarter of a billion pounds a year in grants to support the network, promote the take up of new greener buses.
“I am pleased to announce funding for this latest round of the Green Bus Fund, which has already seen the introduction of more than 300 low emission buses to the Scottish fleet and I look forward to seeing even more on our roads.”
The application deadline for the Green Bus Fund is 30 June.