Mazda is in 2012 releasing new petrol engines under the brand name SkyActiv with 14: 1 compression ratio, to be used in all Mazda vehicles by 2015.

Zoroastrianism is a monotheistic religion that believes that Ahura Mazda is the eternal creator of all good things.

Moreover, in his role as the one uncreated creator of all, Ahura Mazda is not the creator of druj which is " nothing ", anti-creation, and thus ( likewise ) uncreated.

His acting troupe, The Queens Players, have produced 6 mainstage productions of Grand Guignol plays, and Mazda is writing new plays in the classic Guignol style.

The company website states that name " derives from Ahura Mazda, a god of the earliest civilizations in West Asia ... the god of wisdom, intelligence and harmony ..." Ahura Mazda is the Iranian – Zoroastrian God.

Additionally, it is also the only marque to have ever offered a rotary-powered bus ( the Mazda Parkway, offered only in Japan ) or station wagon ( within the RX-3 & RX-4 line for US markets ).

The MX-5, also known as Miata () in North America and Eunos Roadster in Japan, is a lightweight two-seater roadster, of front-engine, rear-wheel-drive layout, built by Mazda in Hiroshima, Japan.

The Renesis is capable of delivering with better fuel economy, reliability, and environmental friendliness than previous Mazda rotary engines, all from a nominal 1. 3 L displacement, however this was not enough to keep up with ever more stringent emissions standards.

The exhaust is, however, relatively low in NOx emissions, as combustion temperatures are lower than in other engines, and also because of some inherent Exhaust Gas Recirculation-EGR-in early engines ; the higher the combustion temperature is, the higher the NOx emissions are ( sir Harry Ricardo proved in the 20's that for every 1 % increase of the proportion of exhaust gas in the admission mix, there's a 45º F reduction in flame temperature ); this allowed Mazda to meet the United States Clean Air Act of 1970 in 1973 with a simple and inexpensive ' thermal reactor ' ( an enlarged open chamber in the exhaust manifold ) by paradoxically enriching the air-fuel ratio to the point where the unburned hydrocarbons ( HC ) in the exhaust would support complete combustion in the thermal reactor ; while piston-engine cars required expensive catalytic converters to deal with both unburned hydrocarbons and NOx emissions.

Peter Garrison, contributing editor for Flying magazine, has said that " In my opinion, however, the most promising engine for aviation use is the Mazda rotary.

Darius mentions several times that he is the rightful king by the grace of Ahura Mazda, the Zoroastrian God.

While there is no absolute consensus on the kings before Darius, such as Cyrus and Cambyses, it is well established that Darius was an adherent of Zoroastrianism or at least a firm believer in Ahura Mazda.

Ahura Mazda ( Persian: اهورا مزدا ; Ahura Mazdā ), ( also known as Athura Mazda, Athuramazda, Aramazd, Ohrmazd, Ahuramazda, Hourmazd, Hormazd, Hurmuz, and Azzandara ) is the Avestan name for a divinity of the Old Iranian religion who was proclaimed the uncreated God by Zoroaster, the founder of Zoroastrianism.

Ahura Mazda is described as the highest deity of worship in Zoroastrianism, along with being the first and most frequently invoked deity in the Yasna.

Thus Ahura Mazda is the lord of light and wisdom.

Ahura Mazda is the creator and upholder of Arta ( truth ).

Ahura Mazda is an omniscient ( though not omnipotent ) god, who created a being called Angra Mainyu, the " evil spirit " who as the creator of evil will be destroyed according to frashokereti ( the destruction of evil ).

Thus, in Zoroaster's revelation, Ahura Mazda was perceived to be the creator of only the good ( Yasna 31. 4 ), the " supreme benevolent providence " ( Yasna 43. 11 ), that will ultimately triumph ( Yasna 48. 1 ).

To this day, Mazda remains the only automaker to have produced a Wankel-powered pickup truck.

Mazda also helped Ford develop the 1991 Explorer, which Mazda sold as the 2-door only Mazda Navajo from 1991 through 1994.

As with its leadership in Wankel technology, Mazda remains ( so far ) the only automaker to have used a Miller-cycle engine in the automotive realm.

Mazda later abandoned the Wankel in most of their automotive designs, but continued using it in their RX-7 sports car until August 2002 ( RX-7 importation for Canada ceased with only the 1993 year being sold.

Although many manufacturers licensed the design, including Citroën with their M35 and GS Birotor, using engines produced by Comotor, General Motors, which seems to have concluded that the Wankel engine was slightly more expensive to build than an equivalent reciprocating engine, although claiming having solved the fuel economy issue, but failed in obtaining acceptable exhaust emissions, and Mercedes-Benz which used it for their C111 concept car, only Mazda has produced Wankel engines in large numbers.

Left Mazda old L10A Camber axial cooling, middle Audi NSU EA871 axial water cooling only hot bow, right Diamond Engines Wankel radial cooling only in the hot bow

The Sigma MC74 powered by a Mazda 12A engine was the first engine and only team from outside Western Europe or the United States to finish the entire 24 hours of the 24 Hours of Le Mans race, in 1974.

With a number of these engines mounted on aircraft, as of 10 December 2006 the National Transportation Safety Board has only seven reports of incidents involving aircraft with Mazda engines, and none of these were a failure due to design or manufacturing flaws.

Zoroaster proclaimed that only one of these three gods, Ahura Mazda was the sole uncreated creator of the universe.

Zurvanism also makes Ahura Mazda and Angra Mainyu of equal strength and only contrasting divinities.

Haug also interpreted the concept of a free will of Yasna 45. 9 as an accommodation to explain where Angra Mainyu came from since Ahura Mazda created only good.

The Japanese manufacturers have also been frequent visitors to the US sports car scene ( Nissan and Toyota in particular during the heyday of IMSA ) and to the European scene, in particular Le Mans, where despite many years of trying by all the man Japanese marques the only victory to have been scored by a Japanese marque was by Mazda in 1991.

Exclusive to the MotoGP class, there was also a USA round at Mazda Raceway Laguna Seca in Monterey, California for the 800 cc class only, this is because the paddock is not large enough to also include the other 2 classes.

Production ceasing in October 1991 after Mazda marketed a limited run of 500 example for 1992 for the domestic market only.

In the UK only 124 examples of this model were sold through the official Mazda network.

The Japanese version came in Marble White as an homage to the Mazda Cosmo Sport, which was initially only available in white.

In 2004, Mazda followed up with a " Mazdaspeed Version II ," this time available only in Strato Blue and with slightly up-rated equipment.

He signed with Atlantic Championship winning team Pacific Coast Motorsports in January 2008, with a goal to compete consistently in the top ten in the 2008 event " Cooper Tires Presents the Atlantic Championship Powered by Mazda ".

After returning to Australia again he formed his own Touring Car team, combining the resources of V8 Ford driver Bob Morris and rotary Mazda racer Barry Jones into a single two-car team but results were mixed and the exercise dissipated by the end of the season.

However, a " skunkworks project " engineering team within Mazda kept the development of the 13B-MSP alive using MX-5 Miata chassis, eventually catching the attention of management, which at this time had come under heavy influence from Ford.

Tracy making his third start for Penske Racing at Mazda Raceway Laguna Seca | Laguna Seca in 1991 CART season | 1991The following year, he competed in his first IndyCar event at Long Beach and at mid-season became a test driver for Penske Racing, in his first race for the team at Michigan he crashed and broke his left leg.

During that time, Ford's marketing team had deemed that a front-wheel drive platform ( borrowed Mazda GD and GE platforms ) would have lower costs for production, and also because the platform had been gaining popularity with the consumers.

Mazdaspeed began in 1967 as " Mazda Sports Corner ", an independent racing team and tuning operation run by Takayoshi Ohashi, who also ran Mazda's Tokyo distributor.

Mazda brought the racing team to Hiroshima in 1983 where the name became Mazdaspeed.

After the FIA effectively outlawed the Wankel engine the next year, the Mazdaspeed team raced one more year at Le Mans in a Piston powered car which came fourth, then turned away from professional racing and focused instead on enabling third-party competition of Mazda vehicles.

Amongst the marque's more famous races was victory in the Nelson Ledges 24-hour race in Ohio when, against a field including works teams from Honda and Mazda, a four-man team from Caterham ( including both Jez Coates and Robert Nearn ) won by seven laps ( after 990 laps ) in a modified Vauxhall HPC.

He was a co-owner of the Vision Racing IndyCar Series team and current owner of Dempsey Racing, which is presently racing two Mazda RX-8 cars in the GRAND-AM Rolex Sports Car Series GT class.

Team Mitsubishi Starions also won the Sports Car Club of America ( SCCA ) U. S. Endurance Championships three of those four years, competing against the fully factory-backed ( Wolin's team was only partially sponsored by Mitsubishi ) efforts from Chrysler, Audi, Nissan and Mazda.

He finished 15th in the championship which was not excellent and lost support from Mazda which extended to a 2 car team known as Team Mazda in 1994.

David Leslie and Matt Neal drove for the team in 1994 but both failed to finish the season after Matt Neal was badly shaken after a big rollover at Silverstone and David Leslie after Mazda pulled out during the season.

It wouldn't be until 1993 that Borgudd made his full time return to automobiles, joining the works Mazda team and driving a Mazda Xedos 6 in the British Touring Car Championship ( BTCC ) with sparse results.

The Mazda team made plans to return to the BTCC the following year, but the plan was scrapped.

To end the season, the team finished in sixth at Sportsland SUGO, earning Mazda fourth in the Consturctors ' Championship, and Takashi Yorino fourteenth in the Drivers ' Championship.

After a part season of Can Am racing in 1981 with a Frissbee, Kennedy returned to Europe and went on to forge a successful career in sportscar racing, latterly with the Mazda factory team with whom he raced extensively at Le Mans, Japan and the world sportscar championship.

In order to save their lives, not just from destruction by the disease but by attack from the Decepticons in their vulnerable state, the Autobots team up with car manufacturers from Earth, including Subaru, Mazda, Chrysler and Ford to construct new bodies from Earth materials, which would be immune to the disease.

He drove in both the US Barber Formula Dodge and US Star Mazda Series followed in 2002, although he failed to win either title, and in 2003 the American drove for the ADR team in British Formula Three after winning the Red Bull Driver Search programme.

Since the early 90s the team has concentrated on running Sports cars and GT cars running the works BMW operation in the French Supertouring Championship, winning the FIA GT Championship and the Le Mans 24 Hours in the GT2 class with a Chrysler Viper GTS-R and overall for Mazda 787B in 1991, on their second attempt and first after a decade ; preparing the Renault Clio S1600 for rallying and winning the ice racing Andros Trophy with a Toyota Corolla driven by Alain Prost.