clean diesel

The diesel version of the 2014 Mazda6 won't be hitting North American showrooms until the middle of next year, but we won't have to wait that long to see the car in action. Mazda will enter its midsize sedan in the new Grand-Am GX class with a Skyactiv-D clean diesel engine under the hood, and ...

Honda has indeed been promoting its new Earth Dreams family of fuel efficient engines, and with good reason. The next generation of the Japanese automaker's powerplants are said to deliver more power with less consumption. You can't go wrong there. So it has greatly piqued our interest that ...

Watch out, Wayne Gerdes, there's a new hypermiling crew in town. John and Helen Taylor – Volkswagen calls them "mileage experts" and "the world's most fuel-efficient couple" – recently drove a stock 2012 Passat TDI SE all the way from Houston, Texas to Sterling, Virginia without ...

A plethora of new diesel offerings is driving sales, according to a new report from the Diesel Technology Forum. Sales of diesels rose 27.4 percent in 2011, according to numbers from HybridCars.com and market researchers Baum and Associates. The Diesel Technology Forum pegs the overall market ...

Through the end of July, sales of diesel vehicles in the United States were up 38.5 percent, compared to the same seven-month period in 2010. Led by the Volkswagen Jetta TDI and Golf TDI, diesel vehicles appear to have escaped the quake-related supply issues that crippled hybrid vehicle sales for ...

The Volkswagen Passat has gotten a big makeover for 2012, with all-new styling and a lower price tag starting at $19,995. Now we know exactly what to expect for under $20k, thanks to VW's the new online configurator. For starters, the base Passat has the 170-hp 2.5-liter five-cylinder mated to a ...

Regular readers know we tend to be big fans of modern diesel engines. All the past demons that had plagued oil-burners over the years have been exorcised, including rough running, nasty smells, loud operation and narrow power bands. But sadly, modern clean diesel powerplants have never taken hold ...

Testing for the 24 Hours of Le Mans doesn't begin until mid-June, but that doesn't mean that Audi isn't already hard at work bettering the chances of their diesel-powered R15 TDI racer. Thanks to a belated rule change for the LMP1 class designed ...

Audi's Green Police Super Bowl ad for clean diesel technology and the A3 TDI has gotten a bit of negative attention, but some parts of the campaign have gone unnoticed. For example, did you know that none other than Cheap Trick provided the soundtrack for the ad? They did, and the band even went ...

Killing yourself is a bad idea. And trying to kill yourself by running a hose from the tailpipe to the cracked window of an idling Audi TDI diesel isn't only a bad idea; it's apparently unlikely to get the job done. That's the message we get from the four-ringed automaker's interesting ...