Reduce Fuel Vapor Emissions With a Complete Suite of Environmentally Friendly Solutions From Eaton’s Vehicle Group
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GALESBURG, Mich.--(BUSINESS WIRE)--Power management company Eaton today announced a complete suite of solutions from its Vehicle Group to reduce vapor emissions produced during the refueling of gas-powered vehicles. Reducing fuel vapor emissions minimizes the impact vehicles have on the environment and contributes to Eaton's mission of creating a more sustainable future for all.

Industry data reveals that significant amounts of hydrocarbons are commonly forced out through the filler neck and released into the atmosphere while a gas-powered vehicle is being refueled. This leakage occurs in all gas-powered vehicles, including passenger cars and an increasing number of small- and mid-sized commercial vehicles. This problem is even more pronounced in hybrid-electric vehicles, which require special measures to address evaporative emissions as the gas engine only operates intermittently, creating the need to store pressurized fuel vapor.

If fuel vapor is released into the atmosphere, it contributes to a category of pollutants known as evaporative emissions. This category of emissions is the largest source of volatile organic compounds (VOCs) produced by automobiles, which are a main source of haze, ozone, and particulate matter. Reducing these kinds of emissions from all gas-powered vehicles can be accomplished with a number of different solutions.

Eaton's Onboard Refueling Vapor Recovery (ORVR) vehicle emission control system works to reduce fuel emissions by collecting fuel vapor that evaporates during refueling in order to burn it during normal operation. The technology reduces harmful fuel vapor with 98 percent efficiency during the vehicle refueling process.

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Key benefits of Eaton's ORVR system include:
  • Prevents fuel leakage from tank in case of vehicle rollover;
  • Provides overfill protection;
  • Vents vapor gas from fuel tank to charcoal canister, preventing high pressure in the tank;
  • Is configurable to different vehicle architectures; and
  • Helps meet global emission regulations.

Eaton's ORVR system traps tank vapors displaced during refueling and holds them in an onboard charcoal canister, preventing them from entering the atmosphere. The system, depending on configuration, contains multiple engineered and specialized valves, including a Grade Vent Valve, Rollover Valve, Fill Limit Vent Valve, and Inlet Check Valve. A Fuel Tank Isolation Valve is offered for use in hybrid electric vehicles.

Eaton also offers its eVaptive™ electronically controlled fuel tank vapor venting system, which provides engineers who design automotive fuel systems a great degree of flexibility. eVaptive also reduces the complexity involved when designing a fuel and vapor-venting system by streamlining fuel system implementation for vehicle and fuel tank manufacturers.

Current fuel vapor controls are largely composed of mechanical valves. The technology used in eVaptive seeks to enhance those traditional components by integrating software-controlled actuators not presently found in automotive fuel systems.

eVaptive's software ensures optimum fuel vapor management in all driving, stationary and refueling modes, and its hardware is a one-size-fits-all unit that can be programmed to fit any vehicle platform. This flexibility reduces complexity and cost by allowing customers to use one set of hardware across all vehicle lines and fuel tank variants, which can shorten validation cycles and development time and allow OEMs to design a system with fewer vent points.

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Eaton's technology will help customers meet new emissions regulations, such as The California Air Resources Board (CARB), which in 2012 adopted the Low-Emission Vehicle (LEV) III regulations as part of the Advanced Clean Cars rulemaking package that also includes the state's zero-emission vehicle (ZEV) regulation. The LEV III regulations include increasingly stringent emission standards for pollutants for new passenger vehicles to be phased in through the 2025 model year. The rest of the U.S. is currently adopting LEV III standards or harmonized on Tier 3 EPA standards. China and Brazil have already adopted similar evaporative emission regulations. The European Union is evaluating comparable evaporative emission regulations and is expected to follow suit in coming years.

This new suite of solutions is just another example of how Eaton is working to achieve its 2030 Sustainability Targets, which include reducing the carbon emissions from our operations by half and lowering product and supply chain emissions. Learn more about our commitment to improving the quality of life and the environment.

Eaton's mission is to improve the quality of life and the environment through power management technologies and services. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and more reliably. Eaton's 2019 revenues were $21.4 billion, and we sell products to customers in more than 175 countries. We have approximately 92,000 employees. For more information, visit www.eaton.com.stats
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