It is commonly known that while electric vehicles do not produce tailpipe greenhouse gas emissions while driving, they do create debris from tire and brake abrasion. However, the degree to which they ...

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 ...

Two-stroke engines have their uses, but they are seen as environmentally unfriendly today. But why do they have that reputation, and is it deserved?

An electric car has become the ultimate status symbol for Hollywood's eco-conscious elite. But a new study suggests that electric vehicles (EVs) aren't as environmentally friendly as they might appear ...

Detroit’s sixth-gen lineup features updated DD13, DD15, and DD16 engines that add an SCR pre-treatment of exhaust gas prior to the principle aftertreatment system. The goal is to meet EPA's 2027 ...

Carrier Transicold's engine emissions system (EES), capable of reducing particulate matter from reefer unit exhaust by more than 98%, has received conditional verification from the California Air ...

A catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engine exhaust at low temperatures in a recent study. While more research needs to be done, the ...

Pacific Green Marine Technologies (PGMT) will manufacture its ENVI-Marine Exhaust Gas Scrubbing System (EGSS) for 52 vessels owned or managed Scorpio Tankers.Two days ago, Monaco-based dry bulk ...

To most of us, emission control systems are some sort of "black art" devices that have been forced upon us to rob performance and ruin gas mileage, but that's really not the whole story. Air pollution ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

The idea that Harley-Davidson engines need exhaust backpressure to produce power is one of the most persistent beliefs in the ...