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Mazda patents show rotary engine for range-extended EV

Two years ago, Mazda introduced a fascinating range-extended electric car called the Mazda2 RE Range-Extender. It took an electric Mazda2, and dropped in an itty-bitty 330cc rotary engine. It wasn't the rotary-powered sports car we had hoped for, but it seemed like a unique way to keep the quirky engine alive and kicking. But not long after the car's reveal, it seemed to disappear. Now the basic idea has resurfaced with a few modern updates in a couple of US patents. The first patent is pretty straightforward and describes a range-extended EV similar to the BMW i3. At the front is an electric motor driving the front wheels. At the back is an internal combustion engine that powers an electric generator. In the middle is a lithium-ion battery for storing and delivering electricity. It's the same set-up as that Mazda2. The second patent is for an engine start-and-stop system, but specifically for rotary engines. The system is designed to shut off a rotary engine when not needed, much as modern piston engines do. It also stops the rotor in a position that closes the intake port to ensure no fuel or exhaust emissions slip out through the intake tract. This is necessary since there are no valves in a rotary, and air and exhaust come through ports that are "opened" and "closed" by the rotor itself. The patent also describes the possibility of firing a spark plug after the fuel has been cut to eliminate any leftover fuel emissions. This system would theoretically improve a rotary engine's fuel economy and emissions significantly, which would be a boon as those are two of the rotary's major weaknesses. The rotary-engine patent also includes the same range-extended powertrain drawing as the first patent. It's there as a description of a possible application. And in such an application, where the rotary wouldn't have to run all the time, the system could take advantage of the rotary's inherent strengths. Weight can be kept low thanks to the engine's small dimensions, which should help in keeping the car sprightly and efficient. Rotaries are renowned for smoothness, too, so it shouldn't need too much refining and sound deadening, the latter of which adds more weight. The small size would also help with packaging, leaving more space for people, cargo, or possibly batteries. And since it has been patented, the company may be looking to bring the system to market.

Buy a Fiat 124 Spider Abarth, get a free day of driving school

We know the Mazda MX-5 Miata and the Fiat 124 Spider are basically the same car underneath. As we pointed out in our first drive of the 124 Spider, the two cater to different drivers, so it can be tough to choose a favorite. FCA has made deciding between the two sports cars a little harder, as it will offer Abarth owners a free day of high-performance driving instruction with their cars. Anyone buying or leasing a new Fiat 124 Spider Abarth or a Fiat 500 Abarth will get a free, one-day class at the Bob Bondurant School of High Performance Driving in Phoenix. Bundling driving school with brand-new performance cars isn't unheard of – Dodge and Bondurant recently announced a similar program for the Viper – but it is quite rare for vehicles priced below $30,000. The free session will include instructor-led skid, autocross, slalom, and team rally cross activities, in addition to hot laps. While the one-day course is included for free, travel, food, and hotel expenses aren't covered. Fiat-less people can also join in on the fun buy purchasing the Abarth experience separately. Bondurant one-day classes cost at least a grand, which makes the Fiat price of $0 a good deal as long as you can get yourself there relatively cheaply. But is this enough for drivers to choose the 124 Spider Abarth over an MX-5 Club? This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. Related Video: Featured Gallery Bob Bondurant Fiat 124 Spider Abarth Related Gallery 2017 Fiat 124 Spider: First Drive View 30 Photos News Source: FCAImage Credit: FCA Fiat Mazda Convertible Performance fiat 124 spider abarth

Mazda and Isuzu to collaborate on a new pickup truck

After decades, Mazda has finally untangled itself from its relationship with Ford. The last vestige of that partnership is the BT-50, a rebadged version of the global Ford Ranger pickup truck. Once the BT-50 ends production, Mazda has announced that it will collaborate with Isuzu to develop its next generation of pickup trucks. The BT-50 was co-developed with Ford's Australian division. In their current iteration, the BT-50 and its Ranger twin were never on sale in the United States. Mazda's last pickup in the US was the B-Series, itself also a rebadged version of the old Ford Ranger. Isuzu pulled out of the US passenger vehicle market in 2009, although it still sells commercial vehicles here. Isuzu, continuing a long and complicated relationship with General Motors, co-developed the diesel engine that currently powers the Chevrolet Colorado and GMC Canyon. In select markets, Isuzu sells a rebadged version of the Colorado as the D-Max. Details on the Mazda/Isuzu tie-up are scarce. A single press release simply says "Isuzu will produce next-generation pickup trucks for Mazda, based on Isuzu's pick-up truck model." This isn't the first truck collaboration between the two companies. Since 2004, Mazda has sold the Titan, a rebadged version of the Isuzu Elf commercial truck. The Elf is sold in the US as the Isuzu N-Series. Those in the US hoping for a new competitor in the midsize-truck segment shouldn't get their hopes up for the new truck. There are currently no plans to bring them here. There is hope, though, that Ford will bring the Ranger replacement stateside sometime in the next few years. Related Video: News Source: MazdaImage Credit: WILLIAM WEST/AFP/Getty Images Isuzu Mazda Truck