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Honda, Mazda, Mitsubishi, Mercedes also under diesel emissions scrutiny

The controversy over Volkswagen's diesel emissions scandal isn't limited to the US. In Europe, where diesel engines are far more popular, the issue is shining a harsh light on the NEDC emissions test. As already known, the evaluation does a poor job of reflecting real-world production of NOx, and it appears a significant number of automakers are affected. The Guardian in the UK has been reporting on real-world test results from a company called Emissions Analytics. After the latest round of checks, vehicles from Mercedes-Benz, Honda, Mazda and Mitsubishi were found to generate far more NOx than they should. The newspaper also published similar results for Renault, Nissan, Hyundai, Fiat, Volvo, Jeep, Citroen, VW, and Audi. On average, the figures are about four times over the limit of producing the pollutant. Unlike VW and its defeat device, these automakers aren't actually breaking the rules. The vehicles perform up to the NEDC lab test for emissions, but those results simply aren't translated to the street. "The VW issue in the US was purely the trigger which threw light on a slightly different problem in the EU - widespread legal over-emissions," Nick Molden from Emissions Analytics said to The Guardian. A big fight to decide the future of this issue appears to be on the horizon. Automakers claim that they can't meet the next round of tightening emissions regulations and are asking for compromises. Although, spokespeople for Mercedes and Honda told The Guardian that the brands would be in favor of the stricter rules. Meanwhile, some European governments began backtracking their support of diesels well before this scandal came to light. The added scrutiny certain hasn't helped the future of the oil-burner. Related Video:

California adapts ZEV mandate with PHEVs for smaller automakers

California is the nation's largest market for zero-emissions vehicles with over 100,000 of them estimated to be on the roads there. The state's goal is to keep that number growing every year. To that end, the California Air Resources Board is now tweaking its rules in a way that might not boost ZEVs but could mean more plug-in hybrids for the Golden State. Jaguar Land Rover, Mazda, Mitsubishi, Subaru, and Volvo asked for an exemption to the state's zero-emissions vehicle mandate last year due to their relatively small development budgets compared to larger automakers. CARB denied their request but did craft a compromise, according to Automotive News. Rather than being required to offer a ZEV in the state, companies with an annual global revenue of less than $40 billion, like those in this group, may instead sell plug-in hybrids to earn ZEV credits. The companies aren't completely off the hook, though. If these plug-in hybrids don't earn enough credits, the corporations must buy them on the market to make up the difference. Automakers with popular electric models like Nissan and Tesla have made a big business through this trading system by selling their surplus to rivals. Tesla alone pocketed $51 million in the first quarter from this part of its business, according to Automotive News. The changes to the regulations also aren't set in stone, yet. CARB is meeting in 2016 and could adjust things further at that time. Related Video: News Source: Automotive News - sub. req. via Hybrid CarsImage Credit: Justin Sullivan / Getty Images Government/Legal Green Jaguar Land Rover Mazda Mitsubishi Subaru Volvo Emissions Electric Hybrid California zev credits zero emissions vehicle

Junkyard Gem: 1992 Mazda MX-3

Back in the early 1990s, American car shoppers could choose from an extravaganza of sporty-looking front-wheel-drive coupes. The Geo Storm GSi may have offered the most performance per dollar, but the early Mazda MX-3 made a lot of sense as a reasonably fun commuter car. The MX-3, based on the 323/Protege chassis (and thus a close cousin to the Ford Escort of the same era) could be purchased in the United States for the 1992 through 1996 model years, and junkyard examples have become very hard to find. Here's a '92 in a Colorado Springs yard. MX-3 buyers could get a 1.8-liter V6 with 130 horsepower in 1992, but this is the SOHC 1.6-liter four with just 88 horses. Dual-overhead-cam versions of this engine went into the Miata and most members of the 323/Escort family. With an automatic transmission, you had a sedate, sensible commuter appliance that looked fairly sharp in the business-park lot. With the DOHC 1.6-liter engine (available for the last few years of MX-3 sales here), these cars were quick. In the early days of the 24 Hours of Lemons, a team with a pair of MX-3s dominated the Southern races for several years. They didn't have much power, but reliability and predictable handling wins endurance races. Not very close to the magical 200,000-mile mark. Another in my series of Junkyard Car With Pikes Peak photographs. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Such an adventurous car. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. The small-displacement V6 was a big selling point in Japan. Related Video: