article thumbnail

New Mercedes-AMG SL 43 features engine with electric exhaust gas turbocharger derived directly from Formula 1

Green Car Congress

Mercedes-AMG presented the SL 43, a technically innovative new entry model for the AMG SL roadster, arriving in US dealerships in summer 2023, starting from $109,900. liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. Under the hood of the open-top 2+2-seater is an AMG-enhanced 2.0-liter

Exhaust 284
article thumbnail

Mercedes-AMG entry-level SL 43 features electric exhaust gas turbocharger from Formula 1 for the first time in production vehicle

Green Car Congress

Following two variants with V8 engines, Mercedes-AMG is presenting the entry-level SL 43 version of its newly developed roadster icon. The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle.

Exhaust 408
article thumbnail

Study links deterioration of concrete and asphalt to trace quantities of organic matter; diesel exhaust, windshield washer fluids

Green Car Congress

The scientists showed that there are a number of organic molecules from diverse sources present in modern concrete structures and asphalt pavements: phthalates, diesel exhaust particulates, surfactants, and windshield washer fluids. Organic matter in water accelerates deterioration of asphalt pavements.

Exhaust 391
article thumbnail

Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Green Car Congress

Black carbon has a negative impact on the environment and on human health. They also presented the performance of a prototype GPF on removing BC particles from a selected GDI vehicle at various conditions. For their study, the Environment Canada/MECA team used two midsize sedans and two compact vehicles. Earlier post.).

article thumbnail

Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

Green Car Congress

A paper on the study is published in the journal Atmospheric Environment. However, both measurements also act as proxies for the complex mixture of gases in diesel exhaust, which is an established carcinogen and associated with respiratory, cardiovascular and reproductive health effects. Cheol-Heon Jeong, Alison Traub, Greg J.

Exhaust 150
article thumbnail

Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

Green Car Congress

A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. Non-exhaust traffic sources of particles. 60% rubber polymers; 20?

article thumbnail

U Toronto study measures GDI emissions in urban near-road environment

Green Car Congress

A study of emissions from gasoline direct injection (GDI) vehicles in an urban near-road environment in Toronto over a wide range of weather conditions (February 2014 to January 2015) found that—other than for NO x and CO—the GDI engines had elevated emissions compared to the Toronto fleet. —Zimmerman et al.