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opposed-piston heavy-duty diesel engine has achieved performance results that comply with pending 2027 requirements of the US Environmental Protection Agency (EPA) and California to reduce sharply emissions of nitrogen oxides (NO x ). Achates Power’s innovative 3-cylinder, 10.6L Furthermore, the 10.6L
A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. Then, an ultra-fine spray of urea solution is dispersed into the exhaust stream for catalytic NO x reduction.
In an effort to accelerate the movement to zero- or near-zero emission locomotives, the California Air Resources Board (ARB) has petitioned the US EPA take action to adopt more stringent emission standards for locomotives. Top: Existing federal standards. Bottom: ARB’s proposed Tier 5 standard. Source: ARB. Source: ARB.
The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. CARB has asked EPA for additional time before the Agency acts on the waiver request for this regulation.
On Friday, the US Environmental Protection Agency (EPA) released a Manufacturers Performance Report that assesses the automobile industry’s progress toward meeting greenhouse gas (GHG) emissions standards for cars and light trucks in the 2012 model year—the first year of the 14-year program.
Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.
The new version supersedes the J1711 standard originally published in March 1999. Also, the list of standard test procedures addressed in SAE J1711 has been expanded to cover all five major test cycle procedures (UDDS, HFEDS, US06, SC03, and Cold FTP) now being used to evaluate vehicle fuel economy. Earlier post.) Earlier post.)
The US Environmental Protection Agency (EPA) has issued a Request for Proposals ( EPA-OAR-OTAQ-12-05 ) with up to $20 million in FY 2012 grant funding to establish clean diesel projects aimed at reducing pollution from the existing fleet of diesel engines. EPA will fund up to 100% of the cost of an eligible, verified idle reduction.
The US Environmental Protection Agency (EPA) is proposing to make it easier for manufacturers to gain approval to sell fuel conversion systems. Current EPA regulations require vehicle and engine conversion systems to be covered by a certificate of conformity to gain a regulatory exemption from potential tampering charges.
The US Environmental Protection Agency announced that it is proposing to find that the San Joaquin Valley, and California’s South Coast and the Southeast Desert have failed to meet the 1-hour ozone standard by their required deadlines. The 1-hour ozone standard was superseded in 2005 by the health-based 8-hour ozone standard.
The US Environmental Protection Agency (EPA) released the Second Integrated Urban Air Toxics Report to Congress—the final of two reports required under the Clean Air Act (CAA) to inform Congress of progress in reducing public health risks from urban air toxics (also referred to as hazardous air pollutants or HAPs).
The 2023 Toyota Crown for the US market is coming with standard AWD and the choice of two electrified powertrains: the standard Toyota Hybrid System (THS) or Hybrid MAX. Hybrid MAX produces powerful torque at low RPM for sporty, exhilarating driving and has an EPA-estimated 30 MPG combined city/highway fuel economy rating.
The US Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAP) for taconite iron ore processing plants that include new emission standards for mercury as well as revising the existing emission standards for hydrogen chloride and hydrogen fluoride.
EPA Tier 4 Interim and EU Stage IIIB emissions standards and effect dates vary by power category. has begun production and supply of the first EPA Tier 4 Interim and EU Stage IIIB certified engines and aftertreatment for early installation by off-highway equipment customers. Source: Cummins. Click to enlarge. Cummins Inc.
The non-hybrid 2011 Chevrolet Cruze Eco delivers an EPA-estimated 42 mpg on the highway (manual transmission models), with city fuel economy of 28 mpg. Aerodynamic improvements over non-Eco manual-transmission models contributed approximately six mpg to the Cruze’s EPA-estimated 42 mpg highway fuel economy. Aerodynamics. pounds (16.6
The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Current 2010 USEPA emissions standards for NO x and PM are set at 0.20 The team used a MY 2007 Volvo MD11 engine compliant with USEPA 2007 emissions standards. Click to enlarge.
The Mercedes-Benz 2014 E250 BlueTEC sedan, the first diesel E-Class to be available with 4MATIC, achieves an estimated EPA rating of 45 mpg US (5.2 No other diesel sedan offers a better EPA fuel economy highway estimate, Mercedes-Benz notes. l/100 km) on the highway and 28 mpg (8.4 l/100 km) in the city. l/100 km) in the city.
The US Environmental Protection Agency (EPA) has awarded AVL a contract for automotive emissions testing to take place at the National Vehicle and Fuel Emissions Laboratory (NVFEL) in Ann Arbor, Michigan.
Case Construction Equipment, part of the Fiat Group, will use two distinct technologies—cooled exhaust gas recirculation (CEGR) and selective catalytic reduction (SCR)—to address US EPA Tier 4 interim standards across its product line, which includes more than 90 equipment models, ranging from 11.3 hp) to 397 kW (532 hp).
The US Environmental Protection Agency (EPA) has updated rules making it easier for manufacturers to sell fuel conversion systems—i.e., Previous EPA regulations required vehicle and engine conversion systems to be covered by a certificate of conformity to gain a regulatory exemption from potential tampering charges.
US EPA Region 9 8-hour ozone trends, 1979-2000. Source: EPA. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12
million in a settlement with the US Environmental Protection Agency (EPA) and the US Department of Justice (DOJ) to resolve alleged violations of the Clean Air Act for selling heavy-duty diesel engines that were not certified by EPA and did not meet applicable emission standards. Detroit Diesel will pay $28.5
Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NO x emission standards from 0.2 —EPA memorandum in response to petitions.
The United States Environmental Protection Agency (EPA) has been using Pi Shurlok ’s OpenECU M460 and G850 control modules for the past year to support technology development programs in the areas of Advanced Engine Control and Hybrid Vehicle Powertrain Control.
Environmental Protection Agency (EPA) and European Commission (EC) are slated for adoption in coming years. CDA technology can benefit vehicle manufacturers facing tightening emissions standards in Europe as well. New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S.
Source: EPA. EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) on lead emissions from piston-engine aircraft using leaded aviation gasoline (avgas). A fraction of lead is retained in the engine, engine oil and/or exhaust system, which EPA currently estimates at 5%. EPA estimates that approximately 14.6
Technology changes related to revised emissions standards for heavy-duty trucks are causing an increase in heavy-duty truck engine problems and a decrease in overall satisfaction with the powertrain, according to the JD Power and Associates 2012 US Heavy-Duty Truck Engine and Transmission Study. Caterpillar. Industry Average.
As reported in a paper in ACS journal Environmental Science & Technology , the results showed that GDI technology has the potential to meet the upcoming California LEV III and US EPA Tier 3 PM mass standard of 3 mg/mi (phasing in over MY2017?2021) Schematic diagram of test vehicle engine & exhaust system and PM sampling systems.
Solid bars represent low ambient temperature measurements whereas open, dashed bars represent standard temperature measurements. mg/mi at standard temperature to 4.3?4.5 mg/mi at standard temperature to 0.01?0.5 E10 was found to reduce BC emissions from the GDI vehicle by 15% at standard temperature and by 75% at 19 °F (?7
US EPA fuel economy estimates are not yet available, however, other models equipped with this engine have seen a 25 – 30% improvement in fuel efficiency over their direct gasoline-powered counterparts. The system plays a significant role in the reduction of fuel consumption as well as exhaust emissions.
The US Environmental Protection Agency (EPA) has awarded $2.38 emissions from small handheld tow-stroke engines have decreased in recent years as a result of EPA regulations on these engines. will have demonstrated the feasibility of a passive lean diesel exhaust after-treatment technology for nitrogen oxides abatement.
The California Air Resources Board (ARB) and the US Environmental Protection Agency (EPA) have presented preliminary proposals aimed at closing compliance loopholes for medium- and heavy-duty diesel engines using SCR-based NO x emissions control systems for 2011 and later model years. This occurs during stop-and-go traffic.
The Silverado and Sierra will be available in standard and long box, with either two- or four-wheel drive. The Vortec engine features hardened exhaust valves and hardened intake and exhaust valve seats. This process makes ordering the bi-fuel option as seamless and efficient as a standard vehicle.
Capstone Turbine Corporation has released configurations of the C30 compressed natural gas (CNG) microturbine that meet or exceed emissions standards, including the US Environmental Protection Agency and California Air Resources Board (CARB) 2010 requirements for On-Road Heavy Duty Diesel Engines (HDDE) for Urban Bus. Earlier post.)
EPA issued a second notice of violation ( NOV ) of the Clean Air Act (CAA) to Volkswagen AG, Audi AG and Volkswagen Group of America, Inc., liter engines for model years (MY) 2014 through 2016 that results in increased NO x emissions of up to nine times EPA’sstandard. alleging emissions cheating. Earlier post.).
Eberspaecher Exhaust Technology International GmbH and China Yuchai International Limited will form a joint venture company: Eberspaecher Yuchai Exhaust Technology. The JV Company will produce and sell exhaust emission control systems for Chinese commercial vehicles to meet the highest domestic emission standard, China National 6.
The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) This phase was conducted at SwRI in 2012.
GE Transportation announced the first sale of its new 12V250 Marine Diesel Engine that is designed to meet EPA Tier 4i and IMO Tier III Emissions standards. SCR requires the use of a diesel exhaust fluid, typically urea, to reduce NO x in an after-treatment of exhaust gas.
The Manufacturers of Emission Controls Association (MECA) released a report assessing market-ready technologies being commercialized by suppliers of emission control and efficiency components for heavy-duty diesel vehicles to meet lower intermediate standards for oxides of nitrogen (NO x ) by 2024 as a transition to final standards in 2027.
2010 engines emissions reduction relative to 2010, 2007, and 2004 US emission standards. earlier post ), found that emissions of NO 2 and other nitrogen oxides—which can have direct health effects and contribute to the formation of smog—were approximately 61% below the 2010 EPAstandard and 99% lower than in 2004 engines.
Mazda North American Operations released EPA-estimated fuel economy figures for its all-new 2016 Mazda CX-9. is the first turbocharged engine with the ability to change the degree of exhaust pulsation depending on engine speed. Further assisting CX-9 to maximize turbocharger efficiency is a 4-3-1 exhaust. SKYACTIV-G 2.5T
GE expects that the locomotive will be the first in the industry to meet the US Environmental Protection Agency’s (EPA) stringent Tier 4 emission standards, which call for the single-largest emission reduction in the tiered program’s timeline.
liter four-cylinder gasoline engine with direct injection with Auto Start-Stop as standard equipment, or the new 1.5-liter EcoBlue diesel to deliver an EPA-estimated fuel economy rating of at least 30 mpg (7.8 l/100 km) highway; final EPA 2019 Transit Connect Wagon 1.5-liter Ford is targeting the 1.5L
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