Western Contra Costa Transit Authority ( WestCAT ) , a public transit service in California , has switched its entire fleet of 45 heavy duty buses from regular diesel to Neste MY Renewable Diesel . WestCAT operates 365 days a year , serves more than 65,000 residents within a 20 square mile service area , and carries more than 1.3 million passengers annually . Neste MY Renewable Diesel , which cuts carbon dioxide emissions by up to 80 % , is a drop - in alternative to petroleum diesel and is distributed via the same transportation infrastructure .
Western Contra Costa Transit Authority (WestCAT), a public transportation service in California, has switched its entire fleet of 45 heavy duty buses from regular diesel to Neste MY Renewable Diesel. WestCAT operates 365 days a year, serving more than 65,000 residents within a 20 square mile service area, and carries more than 1.3 million passengers annually. Neste MY Renewable Diesel, which cuts carbon dioxide emissions by up to 80%, is a drop-in alternative to petroleum diesel and is distributed via the same fuel infrastructure.