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To solve diesel problem, VW might need two fixes

Volkswagen says that a fix is on the way for its 11 million vehicles around the globe that are equipped with diesel engine software that can evade emissions tests. The problem might be far more complicated than simply creating a single solution for all of them, though. According to Automotive News citing Reuters, two remedies to cover different NOx-reducing systems could be necessary, and both potentially affect performance. Earlier examples of the EA 189 diesel engine used a lean NOx trap to reduce the harmful material coming from the tailpipe. According to experts in the Automotive News report, a software update might allow the engines to achieve compliance, but that could affect fuel economy. VW already tried this route once before the scandal came to light, but tests by the California Air Resources Board still showed the figures were too high. Later, some of the 2.0 TDI engines began using Selective Catalytic Reduction that reduced NOx by injecting a urea solution into the exhaust stream. According to Automotive News, a software update for this equipment might increase the amount of the substance used. Not only would that mean topping up the fluid more often, but there still could be some reduction in fuel economy. But, since the 2-liter, 4-cylinder TDI engine that sits inside the diesel vehicles first mentioned as being affected by the issue in the US don't have a urea treatment system, VW would need to install them into these cars. VW still hasn't officially outlined its solution (or solutions) to the emissions issue but is expected to soon. The automaker's long-term evasion of regulations with these diesel engines pumped vast quantities of additional NOx into the air. The substance is known to be linked with smog and acid rain. The US Department of Justice is already beginning an investigation into the company, and politicians are pushing for harsh punishments.

Scott Pruitt unfiltered: EPA administrator talks climate science, car emissions

U.S. Environmental Protection Agency Administrator Scott Pruitt gave Reuters a wide-ranging interview on Monday at his office in Washington, discussing issues from climate science to automobile emissions. The following is a full transcript of the interview: REUTERS: You have said the EPA will focus on a "Back to Basics" approach under your leadership. What does this mean for how EPA enforces polluters? You have been critical of the idea of regulation by enforcement. PRUITT: I think what I'm speaking about, there is a consent decree approach to enforcement, where you use judicial proceedings to actually engage in regulation. Enforcement should be about existing regulations that you're actually enforcing against someone who may be violating that, very much in the prosecutorial manner. As attorney general [in Oklahoma], I lived that. There was a grand jury that I led. Being a prosecutor, I understand very much the importance of prioritization, of enforcing the rule of law, of addressing bad actors. That's something we are going to do in a meaningful way across the broad spectrum of cases, whether it is in the office of air or the Superfund area, or otherwise. REUTERS: Do you want to see states play a bigger role in enforcing polluters, even though some have less of a capacity to do so – financially and personnel wise? PRUITT: I think the state's role is really, when you look at this office working with states, it should be how do we assist, how do we engage in compliance and assistance with states. The office [at EPA that deals with enforcement] is called OECA, the Office of Enforcement, Compliance and Assistance, so those are the tools we have in the toolbox to achieve better outcomes. So what we ought to be doing is working proactively with state DEQs [Departments of Environmental Quality] to get their state implementation plans [for federal regulations] timely submitted, provide assistance and technical support, drive a draft of state implementation plans, and then actually work with them on how to achieve through those plans better outcomes and air and water quality. As far as enforcement is concerned, we will actually work with states. We actually did that recently with Colorado. There was an oil and gas company that was emitting some 3,000 tons, is that what it was, it was quite a bit of ... it was an ozone case. In any event, we joined with Colorado in that prosecution. So sometimes states will do it, sometimes we will join with them.

A car writer's year in new vehicles [w/video]

Christmas is only a week away. The New Year is just around the corner. As 2014 draws to a close, I'm not the only one taking stock of the year that's we're almost shut of. Depending on who you are or what you do, the end of the year can bring to mind tax bills, school semesters or scheduling dental appointments. For me, for the last eight or nine years, at least a small part of this transitory time is occupied with recalling the cars I've driven over the preceding 12 months. Since I started writing about and reviewing cars in 2006, I've done an uneven job of tracking every vehicle I've been in, each year. Last year I made a resolution to be better about it, and the result is a spreadsheet with model names, dates, notes and some basic facts and figures. Armed with this basic data and a yen for year-end stories, I figured it would be interesting to parse the figures and quantify my year in cars in a way I'd never done before. The results are, well, they're a little bizarre, honestly. And I think they'll affect how I approach this gig in 2015. {C} My tally for the year is 68 cars, as of this writing. Before the calendar flips to 2015 it'll be as high as 73. Let me give you a tiny bit of background about how automotive journalists typically get cars to test. There are basically two pools of vehicles I drive on a regular basis: media fleet vehicles and those available on "first drive" programs. The latter group is pretty self-explanatory. Journalists are gathered in one location (sometimes local, sometimes far-flung) with a new model(s), there's usually a day of driving, then we report back to you with our impressions. Media fleet vehicles are different. These are distributed to publications and individual journalists far and wide, and the test period goes from a few days to a week or more. Whereas first drives almost always result in a piece of review content, fleet loans only sometimes do. Other times they serve to give context about brands, segments, technology and the like, to editors and writers. So, adding up the loans I've had out of the press fleet and things I've driven at events, my tally for the year is 68 cars, as of this writing. Before the calendar flips to 2015, it'll be as high as 73. At one of the buff books like Car and Driver or Motor Trend, reviewers might rotate through five cars a week, or more. I know that number sounds high, but as best I can tell, it's pretty average for the full-time professionals in this business.