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In the past, the Environmental Protection Agency (EPA) typically issued grants for the advancement of proven technologies and rarely offered up government money on projects that some would consider experimental. As environmental concerns rose in recent years, the EPA created its emerging technologies program to fund unproven, cutting-edge advancements that offer the promise of reduced emissions and improved air quality. The program kicked off in 2008 with an aim to offer assistance to companies

Thomas Built Buses, the school bus manufacturing unit of Daimler Trucks North America, has just received its first order for new clean diesel buses. Montgomery County in Maryland has ordered 59 new Saf-T-Liner HDX school buses equipped with selective catalytic reduction (SCR) systems. The SCR system eliminates most nitrogen oxide emissions and allow the buses to meet the 2010 emissions standards for heavier trucks.