Renewable diesel is touted as a cleaner-burning fuel, but a recent study has shown the fuel falls short on one measure of reducing pollution from new truck engines – giving pause to California regulators who support increased production. The state, the largest vehicle market in the country, has aggressively moved to curtail fossil fuel emissions from all vehicles while also encouraging the production of renewable diesel – seen as key for reducing emissions in hard-to-electrify sources like trucking. The efforts are part of California’s Low Carbon Fuel Standard (LCFS), a rule designed to decrease the carbon intensity of the state’s transportation fuel. Renewable diesel lowers greenhouse gas emissions compared with petroleum-based diesel. The fuel has also been promoted as a […]