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New York City Transit Authority adding 50 New Flyer buses equipped with Allison H 40 EP systems

Green Car Congress

From reduced emissions, quieter operation and fuel economy improvements (as compared to diesel-powered buses), the H 40/50 EP Series provides reduced brake maintenance costs and fast, smooth acceleration. More than 10,000 state- and city-owned vehicles operating in New York are powered by Allison.

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Allison Transmission’s eGen Flex electric hybrid solution introduced in NYC Transit buses

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Allison Transmission’s eGen Flex, its next generation electric hybrid propulsion solution ( earlier post ), will be put into revenue service at New York City Transit (NYCT) in May. As the largest public transportation agency in North America, the New York City Transit Authority currently operates more than 5,700 buses.

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Tech: Renewable Diesel: A Sustainable Substitute

Clean Fleet Report

A Fuel Switch for Today Continues To Evolve In the past, renewable diesel was considered a niche product that failed to attract mainstream investor interest. Today, it is a cost-neutral way for fleet owners to achieve their goals by allowing them to convert an entire diesel-powered fleet to alternative fuel overnight.

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Audi TDI models trounce EPA fuel economy ratings during “Truth in 48” cross-country efficiency drive

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Three new Audi TDI clean diesel models far exceeded their EPA fuel economy ratings in completing the “Truth in 48” cross-country efficiency drive that covered more than 2,850 miles between Southern California and New York. to Audi Manhattan in New York City. Earlier post.).

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ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

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Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

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New York City Department of Sanitation Testing Four Different Hybrid Trucks

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The New York City Department of Sanitation (DSNY) will be testing in daily operation three different types of hybrid refuse collection trucks and a hybrid rack truck. The Mack diesel-electric hybrid powertrain used in the truck features an integrated starter, alternator and electric motor. Earlier post.) Earlier post.)

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Georgia Tech study finds MD electric urban delivery trucks have cost advantages over diesel in some conditions; relative benefits depend on numerous factors

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The study found that TCO for electric and diesel medium-duty urban delivery trucks were similar. Researchers at Georgia Tech have compared medium-duty (MD) electric and diesel urban delivery trucks in terms of life-cycle energy consumption, greenhouse gas (GHG) emissions, and total cost of ownership (TCO). Credit: ACS, Lee et al.

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