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Why the 38-mpg 2014 Mazda6 is on dealer lots, but you can't drive it

If you stop by your local Mazda dealer this month, with any luck, you'll see the much-anticipated 2014 Mazda6 parked in the showroom - there are already a few hundred of them out there. That's quite an accomplishment in light of the fact that it isn't even calendar year 2013. The move is part of a strategic decision by the Japanese automaker, which is hoping to capitalize on holiday showroom traffic. (The last five days of the year are typically among the busiest dealer days all year).
If you happen to spy the rakish sedan, you may notice something missing - a window sticker. That's because Mazda (like other automakers) can't legally display the Monroney on a 2014 model year vehicle until January 1, 2013. According to Autoblog sources, Mazda dealers are legally prohibited from letting you test drive until the start of 2013, so it's more of a sneak preview than anything else. Even so, we reckon shoppers will be impressed when they finally get a look at those window stickers - Mazda hasn't announced fuel economy figures yet, but Autoblog has learned that the 2014 model will carry a pair of impressive numbers: EPA estimates of 27 miles per gallon in the city and 38 mpg on the highway using regular gas.
Mazda dealers are legally prohibited from letting you test drive until the start of 2013, so it's more of a sneak preview than anything else.

Mazda spiders return, 42k Mazda6 sedans recalled for webby fuel tanks

It seems that Yellow Sac spiders really, really love Mazda. Three years after Mazda recalled 52,000 Mazda6 sedans over spider webs obstructing the evaporative canister vent lines of 2009 and 2010 Mazda6 models, another recall has been issued for 42,000 more of the models built between 2010 and 2012 and equipped with the 2.5-liter four-cylinder engine.
According to the automaker, there have been nine confirmed sightings of spiders in vent lines since the original recall. It seems that covers were applied at the factory to keep the arachnids from entering, but it hasn't quite exterminated the problem. A reflash of the ECU is required that "[changes] the logic behind how the car purges the charcoal canister during normal operation," says Jeremy Barnes, Director, Public Relations & Brand Experience at Mazda North American Operations.
So far, Mazda has not recorded any fires, accidents or injuries due to this tangled mess of webs. Recall notices will be mailed out to owners later this month. Scroll down below for the statement from Mazda, along with the official recall notice from the National Highway Traffic Safety Administration.

Mazda hard at work on Skyactiv 2 engine technology

As Mazda continues the current rollout of its still-new Skyactiv technology, the automaker is already looking at improving its family of engines for even better fuel economy and emissions reductions. Automotive News reports that with stricter fuel economy and emissions regulations planned for 2020 and 2025 in Europe, Mazda will likely release engines with next-generation Skyactiv 2 technology by the end of this decade, and Skyactiv 3 units just five years later.
The latter is expected to focus on improved engine cooling and lessening energy losses, but the big news in AN's report is that the next-gen Skyactiv 2 engines will use Homogeneous Charge Compression Ignition, or HCCI. This type of ignition is very similar to how a diesel engine operates (with high compression and using the compression stroke for fuel combustion rather than spark plugs), a method said to provide a cleaner and more efficient fuel burn - to the tune of a 30-percent improvement in fuel economy compared to current Skyactiv engines. Other automakers, including Hyundai, have already announced they are developing HCCI powerplants with similar technology and characteristics, so Mazda likely won't be a lone wolf here.
Equipped with HCCI technology, Mazda figures to be able to compete with larger automakers in terms of fuel economy and emissions without resorting to hybrid powertrains, continuously variable transmissions or automatics relying on more forward gears (eight or more) for optimal efficiency. Some of the challenges of HCCI, according to AN, include the need for better engine cooling, risk of misfire at high and low rpm and uneven engine performance based on fuel properties.