220 Clean Diesel Bus Order Is Greyhound's Largest in 20 YearsWASHINGTON, April 2, 2013 /PRNewswire-USNewswire/ -- Greyhound's announcement that it has placed orders for 220 new clean diesel, low emission buses highlights the major advancements in diesel fuel efficiency and environmental gains, according to Allen Schaeffer, the Executive Director of the Diesel Technology Forum. "Congratulations are in order for Greyhound and the two manufacturers - Motor Coach Industries and Prevost of the Volvo Group - for this major order of the newest clean diesel bus technology," Schaeffer said. "These new buses will offer the most modern and advanced clean diesel technology to Greyhound's national fleet, which is the largest provider of intercity passenger service in North America. "Because of its safety, reliability and efficiency, diesel is the predominant power source for public transit, school and intercity bus services nationwide. It's extremely noteworthy that Greyhound Bus Line serves 3,800 destinations across the country and connects communities with a 100 percent diesel bus fleet," Schaeffer said. "Diesel buses are the best source of transportation for Greyhound's expansive service area because of the efficiency and power needed to dependably and safely transport 25 million passengers throughout North America every year." Greyhound Lines Inc. officials say the order is the company's largest bus order in more than 20 years and will make their fleet "one of the youngest and most environmentally friendly in the industry." Clean Diesel Bus Technology Has Reduced Particulate Matter and NOx Emissions By 98% Diesel power systems have been undergoing revolutionary technological advancements that have already achieved dramatic reductions in emissions for urban buses and highway engines. Advances in emissions-control systems and ultra-low sulfur diesel fuel (ULSD) are helping clean diesel engines achieve emissions performance equivalent to compressed natural gas (CNG) and other alternatives.