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  2. Vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Vapor_recovery

    Vapor recovery towers are also used in the oil and gas industry to provide flash gas recovery at near atmospheric pressure without the chance of oxygen ingress at the top of the storage tanks. The ability to create the vapor flash inside the tower often reduces storage tank emissions to less than six tons per year, exempting the tank battery ...

  3. United States vehicle emission standards - Wikipedia

    en.wikipedia.org/wiki/United_States_vehicle...

    Vehicle manufacturers were a percentage of their fleet meeting these ZEV standards over a long-term schedule (2% by model year 1998 at its start), [31] but the mandate schedule has shifted based on the unplanned rate of technology advancement and costs, and as of 2020, its current target is to reach 8% ZEV by 2025 determined by fleet credits ...

  4. Diesel exhaust fluid - Wikipedia

    en.wikipedia.org/wiki/Diesel_exhaust_fluid

    The isocyanic acid reacts with the water vapor and hydrolyses to carbon dioxide and ammonia: HNCO + H 2 O → CO 2 + NH 3. Overall, thus far: (NH 2) 2 CO + H 2 O → 2 NH 3 + CO 2. Ammonia, in the presence of oxygen and a catalyst, reduces two different nitrogen oxides: [14] 4 NO + 4 NH 3 + O 2 → 4 N 2 + 6 H 2 O ("standard SCR") and 6 NO 2 ...

  5. 9 Best ‘Beater’ Cars You Can Get for Under $5,000 - AOL

    www.aol.com/finance/9-best-beater-cars-under...

    According to HotCars, the tC ranks as the best fun beater car you can buy for under $5K (for models made before the 2011 redesign year). 3. Acura TSX — $5,000

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  7. Onboard refueling vapor recovery - Wikipedia

    en.wikipedia.org/wiki/Onboard_refueling_vapor...

    An onboard refueling vapor recovery system (ORVR) is a vehicle fuel-vapor emission control system. It captures potentially harmful volatile organic compounds (VOCs) during refueling. [ 1 ] Without such a system, fuel vapors trapped inside gas tanks would be released into the atmosphere, each time the vehicle was refueled.

  8. Vaporized hydrogen peroxide - Wikipedia

    en.wikipedia.org/wiki/Vaporized_hydrogen_peroxide

    VHP is produced from a solution of liquid H 2 O 2 and water, by generators specifically designed for the purpose. These generators initially dehumidify the ambient air, then produce VHP by passing aqueous hydrogen peroxide over a vaporizer, and circulate the vapor at a programmed concentration in the air, typically from 140 ppm to 1400 ppm, depending on the infectious agent to be cleared. [6]

  9. Vapor lock - Wikipedia

    en.wikipedia.org/wiki/Vapor_lock

    A vapor lock is more likely to develop when the vehicle is in traffic because the under-hood temperature tends to rise. A vapor lock can also develop when the engine is stopped while hot and the vehicle is parked for a short period. The fuel in the line near the engine does not move and can thus heat up sufficiently to form a vapor lock. The ...