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U. Houston-led project looking for new exhaust treatment catalysts for low-temperature lean-burn combustion engines

Green Car Congress

A chemical engineer from the University of Houston is leading a $2.1-million million project to find new catalytic materials that work at lower exhaust temperatures, allowing automakers to build vehicles that operate more efficiently while retaining the ability to clean emissions before they leave the tailpipe. and Johnson Matthey Inc.

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Researchers developing free-piston linear generator for exhaust waste heat recovery

Green Car Congress

Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. The FPLG can be used in a small-scale organic Rankine cycle (ORC) system and can directly convert the thermodynamic energy of working fluid into electricity. —Tian et al. Prototype FPLG.

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Empa and partners exploring DME as fuel with new heavy-duty test engine

Green Car Congress

The engine block is derived from a Cursor 11 commercial vehicle engine manufactured by FPT Industrial and has already served us for five years in various research projects. Over the past few months, we have converted it to DME together with our partner FPT. This is done via exhaust gas recirculation (EGR). —Patrik Soltic.

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The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al. Background.

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New composite reduces rare earth element usage in three-way catalytic converters

Green Car Congress

The high-performance, three-way catalytic (TWC) converter is one of the workhorses of emissions reduction for gasoline engines. A paper on their work is published in the ACS journal Industrial & Engineering Chemistry Research. —Machida et al. Adapted with permission from Machida et al.

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A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

To reduce emissions, diesel vehicles use filters that catch exhaust particles and other contaminants. Looking to make replacement filters more environmentally friendly and affordable, a team of engineering students from the Bangladesh University of Engineering and Technology , in Dhaka, designed a carbon-based version with bamboo.

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New process uses localized surface plasmons for room-temperature conversion of CO2 to CO

Green Car Congress

Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere. Credit: NIST.