Jason MathersJason Mathers is senior manager of supply chain logistics at Environmental Defense Fund.From the AuthorRisk/ComplianceUnderstanding the Proposed Fuel Efficiency Standards for Heavy-Duty TrucksEnvironmental Defense Fund (EDF)The purpose of regulations is to enable manufacturers to bring cost-effective fuel-saving technologies to market at scaleRisk/ComplianceThe Trouble with Natural Gas as a Fuel Source for TrucksEnvironmental Defense Fund (EDF)We can and should make natural gas into a fuel that, on balance, is environmentally less harmful than dieselPage 1 of 1