Petroleum Outreach, Fuel Quality Enforcement Program and State-by-State Fuel Quality Index are all part of NBB?s Efforts to Enhance Biodiesel QualityJEFFERSON CITY, Mo.? Fleet managers, petroleum distributors and other consumers should consider a biodiesel ?winter weather advisory? in effect for the nation. The National Biodiesel Board (NBB) raised the advisory in response to fuel quality testing results that the trade association shared at an NBB-led industry meeting today. ?Ensuring that consumers have a high level of confidence in the biodiesel they purchase is a top priority for the National Biodiesel Board (NBB) and a key element for the industry?s...