MUNI's diesel-powered buses in San Francisco have run entirely on renewable diesel fuel; Amtrak trains could be next.…
March 15, 2017 | The Calgary Sun
“Is this new technology? No, it’s been around for quite a while," Brookman said. "The cities of San Fransico and Oakland, California adopted this type of fuel in the fall fo 2015."
Brookman said if Calgary Transit were to switch to renewable diesel, operating costs would be reduced and a 90 per cent reduction in greenhouse gas emissions could be achieved.