Green Car Congress
OCTOBER 24, 2022
New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., For many years, we’ve flagged the fact that scrubbers account for disproportionately large emissions of hazardous and acidifying substances into the marine environment.
Green Car Congress
MARCH 10, 2012
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. Automobile tire rubber in general consists of approximately 40?60%
Green Car Congress
NOVEMBER 8, 2020
A team from metals research institute SWERIM in Sweden reports on a smelting reduction process to recover cobalt, nickel, manganese and lithium simultaneously from spent Li-ion batteries. A paper on their work is published in the Journal of Power Sources. —Hu et al. —Hu et al. 2020.228936.
Green Car Congress
MAY 2, 2022
The health of residents living alongside a bus route in Gothenburg, Sweden, improved when hybrid buses were replaced by buses fully powered by electricity. Previous noise-level measurements had indicated that disturbance from low-frequency noise in indoor environments was present in the residential area. —Kerstin Persson Waye.
Green Car Congress
MAY 28, 2021
If a ban were introduced on the sale of new gasoline and diesel cars, and they were replaced by electric cars, the result would be a significant reduction in lifecycle carbon dioxide emissions primarily due to reduced tailpipe CO 2 emissions, according to a new lifecycle study by researchers at Chalmers University of Technology, Sweden.
Green Car Congress
JANUARY 1, 2023
In HTL, wet feedstock is liquefied in a hot (250–374 °C) and pressurized (4–22 MPa) water environment into biocrude oil. Co-processing has so far been tested mostly with FPBO; the first short-term test to commercialize the technology has been carried out in Preem’s refinery in Sweden. —Lindfors et al. 2c04238.
Green Car Congress
JULY 10, 2023
Researchers at Chalmers University of Technology, Sweden, have developed a method that can reduce the levels of mercury in sulfuric acid by more than 90%, even from low levels. According to a report from the United Nations Environment Programme (UNEP), emissions of mercury to the atmosphere increased by an estimated 20% from 2010 to 2015.
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