San Francisco area drivers 1st with algae biofuel
Drivers in the San Francisco Bay Area are the first in the nation to fill up their gas tanks with an algae-based biofuel.
Energy & Green Tech
Nov 14, 2012
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Page 37 - News tagged with diesel
Better injection systems for diesel engines
One of the elements modern diesel engines require to become energy-efficient and clean are precisely controllable injection nozzles using piezo crystals. How exactly these crystals work has not been fully understood to date. ...
Engineering
Oct 31, 2017
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German authorities: Many VWs need more than software changes
German authorities say automaker Volkswagen will likely need to make more than just software changes to nearly a quarter of its 2.4 million diesel cars being recalled in the country.
Business
Nov 9, 2015
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Researchers looking at light-induced toxins in air and water
Is the air we breathe on a daily basis slowly killing us? It may not be that severe, but the air we breathe and water we drink may be more harmful than we realize.
Feb 17, 2009
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Wind concentrates pollutants with unexpected order in an urban environment
Cities – with their concrete canyons, isolated greenery, and congested traffic – create seemingly chaotic and often powerful wind patterns known as urban flows. Carried on these winds are a variety of environmental hazards, ...
Environment
Aug 24, 2012
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EU Commission urges carmakers to 'behave more ethically'
The European Union on Monday urged carmakers to "behave more ethically" and responsibly, following a scandal over diesel emissions, and revelations of diesel exhaust tests on monkeys and humans.
Business
Feb 5, 2018
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VW boss 'convinced of diesel renaissance'
The chief executive of the world's largest carmaker Volkswagen said Tuesday he was convinced of a comeback for diesel motors, two-and-a-half years after the firm admitted to emissions cheating on a massive scale.
Business
Mar 13, 2018
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A tale of two cities: Is air pollution improving in Paris and London?
For the first time, a joint air pollution study across two mega-cities—London and Paris—measures the impact of policies designed to reduce air pollution from urban traffic over the last 12 years.
Environment
Mar 11, 2019
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Surprisingly high emissions from fuel-powered auxiliary heaters in cars
Heaters, sold under such well-known brand names as Webasto and Eberspächer, among others, are used in both passenger cars and heavy-duty vehicles to preheat the engine and provide additional cabin heating while driving. ...
Environment
Sep 9, 2021
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Volkswagen car sales down 20 percent in UK after scandal
Volkswagen car sales in Britain dropped by almost 20 percent in November compared with a year earlier as the company's emissions testing scandal began to take a toll.
Business
Dec 4, 2015
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