Settlement for Audi, Porsche, VW 3.0-liter diesel TDI owners announced

2014 Audi Q5 TDI, Catskill Mountains, Oct 2013Volkswagen today announced that it had reached a settlement with owners of Audi, Porsche, and VW vehicles fitted with its 3.0-liter V-6 diesel engine. Different remedies apply depending on the vehicle's model year: 2009 through 2012 cars will be bought back, while 2013 through 2016 vehicles will be modified to comply with emission limits. The...

EU cracks down as diesel scandal exposes lax tests country by country

Portable Emissions Measurement Systems (PEMS) on a Peugeot 308The Volkswagen diesel scandal has led to much greater scrutiny on the methods regulatory agencies use to test vehicle emissions, particularly in Europe. Even before news of Volkswagen's diesel "defeat device" software broke, the European fuel-economy testing cycle was known to be overly optimistic, producing results that buyers could not replicate...

Starship electric sidewalk-delivery robot a hit at DC Auto Show

Electric sidewalk delivery robot from Starship Technologies at 2017 Washington DC Auto ShowWhat would you do if a small, knee-high box on wheels with a flag topping its tall antenna whirred toward you electrically on a sidewalk at 4 miles per hour? It turns out three-quarters of the pedestrians in several cities who've seen one didn't stop or even stare as it avoided them and continued on its way. That box is an electric sidewalk...

How Paris will ban the dirtiest diesels: color-coded stickers

Paris, by Flickr user Alexandre Dulaunoy (Used under CC License)Yesterday, analyses of the air in several parts of France contained high levels of ultrafine particles emitted by road vehicles. Among the guiltiest culprits were older diesel vehicles with minimal emission-control systems, particularly those built under the Euro 4 standard in effect through 2005. Over the last year, Paris has instituted...

China axes 103 coal-fired power plants, citing smog, overcapacity

Beijing smogDuring negotiations for the Paris Climate Treaty signed last fall, a major concern among critics was whether the carbon emissions of China's sprawling and inefficient energy sector could be reined in. With China, the U.S., and dozens of other countries signing the agreement, the world's most populous country committed itself to decarbonizing its...

First carbon-capture power plants come on line this year

Coal, by Flicker user oatsy40 (Used Under CC License)For electric utilities eager to hang onto their existing coal-fired power plants, carbon-capture technology must offer an exciting chance at salvation. As the name says, carbon capture retains and stores the emissions produced by coal power plants in particular, in theory mitigating some of their environmental impact. Power plants equipped with...