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Mazda's rotary-engine range extender could serve as an emergency generator

GENEVA — Mazda has some pretty exciting powertrain technology in the works, particularly its Skyactiv-X spark-controlled compression-ignition engine, but also the upcoming range-extended electric vehicle with a rotary engine. It offers the possibility of electric transportation with a distinctly Mazda way of getting electricity from gas when charging isn't an option. But we learned that Mazda has some other ideas for the rotary range-extender beyond transportation, and even beyond gasoline. In talking with Ichiro Hirose, Maza's managing executive officer for powertrain and vehicle development, product planning and cost innovation, we learned that the company is exploring the powertrain's potential as an emergency generator. Naturally if an engine is suitable for creating electricity in a car, it would be suitable to provide electricity to buildings or tools. Besides a rotary engine used as a standalone generator, Hirose said the company is investigating the potential for complete cars to be used as emergency generators, since they're already mobile. Gasoline wouldn't have to be the only potential fuel, either. Hirose said Mazda is looking at possibly running the engine on liquified petroleum gas, or LPG. We asked if hydrogen was also being considered, since Mazda has a history of hydrogen-powered rotary prototypes, even some that could run on hydrogen or gasoline, but Hirose said that's not being looked at right now. Related Video:

Mazda explains the thinking behind the MX-30's small battery pack

Mazda's first production-bound electric car, the MX-30, relies on a 35.5-kilowatt-hour lithium-ion battery pack for power. That's relatively small, but the Japanese firm argued it's exactly what the model needs to let motorists drive electric while keeping their environmental footprint in check. Christian Schultze, head of Mazda's European research and development center, told Automotive News Europe the MX-30's battery is responsibly-sized. He explained engineers took a variety of factors into account when debating kilowatt-hours, including how much energy is required to build the pack, how much electricity is needed for a full charge, and the environmental impact of replacing the battery, which Mazda expects could be necessary after the MX-30 has covered about 100,000 miles. Sticking with a smaller pack yields total CO2 emissions on par with a turbodiesel-powered Mazda3. In contrast, using a 95-kilowatt-hour battery (which is close to what Tesla's bigger models use) would have increased the MX-30's life-long CO2 output considerably by requiring more energy to build, and needing far more electricity to achieve a 100% charge. We're not quite sure that math or battery longevity assumption hold up under scrutiny. In any case, small is the direction Mazda decided to go. The trade-off is that the MX-30 (pictured) is expected to drive for about 124 miles between charges, and that figure was achieved on the hugely optimistic WLTP testing cycle; real-world mileage will be lower. That's hardly a jaw-dropping number, and the crossover doesn't qualify for the coveted long-range label, but Schultze told British magazine Autocar it's more than enough to cover the daily transportation requirements of the average European motorist, which stands at a total of 31 miles. That's significant, because Europe will be one of the MX-30's key markets. Deliveries are scheduled to begin in early 2021. Mazda hasn't announced whether it will sell the MX-30 in the United States, or if it will wait until it has a longer-range electric car to enter the segment.

2014 Mazda6 gets up to 38 mpg, priced from $20,880*

The 2014 Mazda6 starts at $20,880 - *excluding a $795 destination fee - and will offer buyers up to 37 mpg highway in base form. That money will fetch buyers a 2.5-liter four-cylinder paired to a six-speed manual - a setup packing 184 horsepower and 185 pound-feet of torque. The Skyactiv powertrain is good, Mazda says, for 25 miles per gallon in the city and 37 mpg on the highway. Stepping up to the six-speed automatic gearbox will yield an additional 1 mpg in city and highway driving for up to 38 mpg highway. Despite offering more equipment, the base 2014 model carries a modest $155 price increase over its 2013 predecessor.
Available trims include i Sport starting at $22,495 and i Touring at $24,495 (*both excluding destination charges). The latter swaps the standard car's 17-inch wheels for 19-inch rollers and includes dual-zone automatic climate control and leatherette sport seats among other niceties. Buyers can snap up a tech package that includes TomTom navigation and an 11-speaker Bose Centerpoint sound system for $2,000. Keyless entry, rain-sensing wipers and the company's Smart City Brake Support are all part of that kit as well. Check out the full press release below for more information, and look for more details on the diesel-powered 2014 Mazda6 as we get closer to that vehicle's launch.