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Emissions from all non-road engines are regulated by categories. [48] In the United States, the emission standards for non-road diesel engines are published in the US Code of Federal Regulations, Title 40, Part 89 (40 CFR Part 89). Tier 1–3 Standards were adopted in 1994 and was phased in between 1996 and 2000 for engines over 37 kW (50 hp ...
Top Tier fuels must maintain levels of detergent additives that are believed to result in a higher standard of engine cleanliness and performance as compared to the United States Environmental Protection Agency (EPA) requirement. In addition, Top Tier fuels may not contain metallic additives, which can harm the vehicle emission system and ...
Arvin Meritor, a Tier 1 supplier of automotive technology, at one time, was experimenting with a plasma reformer technology which would use hydrogen produced from the fuel to enhance engine combustion efficiency and reduce emissions of NO x. [26] This reference states that a 20% to 30% increase in engine thermal efficiency is possible. However ...
In 2014, the EPA published its "Tier 3" standards for these vehicles, which tightened air pollution emission requirements and lowered the sulfur content in gasoline. [9] EPA has separate regulations for small engines, such as groundskeeping equipment.
That makes Honda's recent announcement of a brand-new V-3 motorcycle engine all the more exciting. Honda. Details are pretty scant at the moment, and Honda clearly wants to keep things that way ...
[3] Engine speed must be greater than 15% above idle speed; Engine torque must be greater than or equal to 30% of maximum torque. Engine power must be greater than or equal to 30% of maximum power. Vehicle altitude must be less than or equal to 5,500 feet (1,700 m).
# of engines Engine type Image MP-900 B-B 1999–2022 900 horsepower (671 kW) 2 Cummins QSX15 (I6) Tier 2 See here: B-B 2009–2022 2 Cummins QSX15 (I6) Tier 3 B-B 2012–2022 2 Cummins QSX15 (I6) Tier 4 MP-1200 B-B 2012–2022 1,200 horsepower (895 kW) 2 Cummins QSX15 (I6) Tier 4 MP-1500 B-B 2007–2022 1,500 horsepower (1,120 kW) 2
The 265H engine was also used overseas: in 2005 an order for 300 6,000 horsepower (4,500 kW) Tier 2 engines was received from the Chinese Railways, with final assembly at the Dalian Locomotive Factory, [3] [4] introduced from 2009 as "Harmony" HXN3 class. [5] Orders were also received from India [citation needed] and Australian mining railroads.