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DLR: cleaner aircraft emissions reduce the climate impact of contrail cirrus

Green Car Congress

Fewer soot particles in the exhaust stream of aircraft reduces the formation of ice crystals and therefore the climate impact of the resulting contrail cirrus. The results are published in an open-access paper in the Nature Partner Journal (npj) Climate and Atmospheric Science. Burkhardt et al. —Ulrike Burkhardt.

Climate 278
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Climate Expert: Don't Call It Geoengineering

Cars That Think

The leaders of the world have just returned from the UN's latest climate change summit, COP26 , in which the countries that have signed on to the Paris Agreement upped their commitments to fight climate change. Yet if countries continue on their present course, the world will likely have warmed by 2.7° In 2015, the U.S.

Climate 144
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Volvo Trucks presents heavy-duty electric concept trucks for construction operations and regional transport

Green Car Congress

To increase demand for electrified trucks, the charging infrastructure needs to be rapidly expanded, while stronger financial incentives must be created for hauliers who act as pioneers by choosing new vehicles with a lower environmental and climate footprint. —Roger Alm, President Volvo Trucks.

Volvo 195
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Rolls-Royce and Robert Allan present world’s first LNG-powered shallow-water push boat

Green Car Congress

Powered by two MTU 8V4000M55RN natural gas engines from Rolls-Royce and designed for use on inland waterways, the push boat is more cost-effective to operate, and produces less pollutants and climate-unfriendly exhaust gases than vessels with conventional propulsion systems.

Water 195
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Volvo Trucks presents second electric truck model in three weeks: Volvo FE Electric

Green Car Congress

Another benefit is the fact that Stadtreinigung Hamburg generates climate-neutral electricity that can be used to charge the batteries. An electrically powered refuse truck with battery that stands a full shift of eight to ten hours is a breakthrough in technology. —Prof. Dr. Rüdiger Siechau, CEO of Stadtreinigung Hamburg.

Volvo 253
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Comprehensive assessment concludes black carbon second-most important human emission in warming climate

Green Car Congress

A comprehensive assessment of black-carbon climate forcing accepted for publication in the Journal of Geophysical Research: Atmospheres estimates that black carbon, with a total climate forcing of +1.1?W?m m -2 , is the second-most important human emission in terms of its climate-forcing in the present-day atmosphere.

Climate 322
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Octillion Power Systems enters US bus market to supply batteries for motorcoaches, city buses

Green Car Congress

While transportation is responsible for a quarter of global emissions, buses and diesel buses in particular play an outsized role in producing emissions that negatively impact the climate and environment. As people movers, they present these problems daily and up close to places where populations are most concentrated.

Supplies 418