NOx emissions can be controlled through engine operation with lean homogeneous air/fuel mixtures. This emission control approach precludes the need for exhaust gas recirculation (EGR) and secondary ...

Electronic control logic and system components are described that are used with a venturi carburetor to accomplish the fuel metering required in a closed loop emission control system. Special open ...

Gasoline fumes contain a variety of hydrocarbons that constantly evaporate from the engine and fuel tank into the atmosphere. If the fuel is in the atmosphere, it can cause pollution, even if the ...

Southwest Research Institute (SwRI) has developed a method to automate the calibration of heavy-duty diesel truck emissions control systems using machine learning and algorithm-based optimization. The ...

In the past two months we've covered most of the emission systems that have appeared on recent automobiles. This month we'll conclude our discussion of these systems with those devices designed to ...

In a bold stride towards a greener future, Mazda is developing an innovative emissions recapture system. This groundbreaking ...

The Environmental Protection Agency (EPA) is proposing to require the emissions control systems of large diesel and gasoline highway trucks and buses The Environmental Protection Agency (EPA) is ...

Volvo Group, the global umbrella company of Volvo Trucks North America, has discovered that components of its emissions control systems are degrading “more quickly than expected,” which could cause ...

DETROIT -- Volkswagen AG 's promise to fix pollution control systems on about 11 million diesel vehicles will involve changes to software, and possibly hardware, that could leave owners with cars that ...

Southwest Research Institute (SwRI) has developed a method to automate the calibration of heavy-duty diesel truck emissions ...