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Welcome to Sustainable sports cars – video blog

Welcome to “Sustainable Zoom-Zoom”

In March 2007, Mazda announced the “Sustainable Zoom-Zoom” plan, detailing the company’s long-term vision for technology development. This vision commits us to make “cars that always excite, look inviting to drive, are fun to drive, and make you want to drive them again,” and to help achieve “an exciting, sustainable future for cars, people and the Earth”. Based on this plan, in June 2008, we announced that by 2015 we intend to make a 30 percent improvement on the 2008 average fuel economy of Mazda vehicles sold worldwide.

Building Block – Strategy – Contributing as it expands

In recent years, new electric devices have been introduced that have led to the development of automobiles such as hybrids and electric vehicles. We have entered an era in which performance delivered by the traditional technologies such as engine, transmission, body, chassis and other vehicle parts is being augmented through their combination with electrical components. Nevertheless, it is forecast that internal combustion engines will still account for a high percentage of automobile powertrains even as far ahead as 2020.

Anticipated expansion in adoption of environmental technologies (up to 2020)

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Consequently, Mazda is prioritizing improvements of the base technologies such as improvement in thermal efficiency of an engine and weight reduction for the vehicle body while adopting a Building Block Strategy of gradually introducing electric devices such as brake energy regeneration system, hybrid and other systems. This approach aims to effectively reduce total CO2 emissions with cars that offer a winning combination of driving pleasure and excellent environmental and safety performance to all our customers, without relying heavily on vehicles that are strictly dedicated to meeting environmental needs.

Building Block Strategy

Mazda Taiki Concept

mazda, concept carEver seen a car styled like a celestial maiden’s robes? Mazda says that’s the design inspiration for the Mazda Taiki, a rear-wheel-drive sports-car concept that will debut at the Tokyo auto show in October.

Like the Nagare, Ryuga, and Hakaze concepts before it, the Taiki has a flowing, aerodynamic form that follows Mazda’s new “flow” styling concept.

In Japanese, taiki means atmosphere, a fitting name for the light, aerodynamic body. The concept is part of the “Sustainable Zoom-Zoom” theme Mazda plans to emphasize in Tokyo.

The skirted rear wheels are outset from the body, and an all-glass canopy wraps around the driver and passenger. The stretched two-seater’s interior continues the flowing design theme.

Power for the Taiki will come from a new version of the Renesis rotary engine used in the RX-8 sports car. Mazda engineers say they have bumped displacement up to 1.6 liters (from 1.3 liters) and used direct-injection to increase torque output across the power band. This should allow them to create an even sportier car that is a little easier on the environment.

View Car and Drivers Photo Gallery Here

Compiled By:
Josh Martin
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First Glimpse of Clean Diesel Engine – Video Blog

Just the Facts:

  • Mazda says its next-generation Skyactiv-D 2.2L clean diesel engine will go on sale in Japan in spring 2012.
  • The diesel’s first application in Japan will be in the Mazda CX-5 crossover.
  • The Skyactiv-D engine will arrive at U.S. dealers in early 2013, Mazda tells Inside Line.

HIROSHIMA, Japan — Mazda’s next-generation Skyactiv-D clean diesel engine will arrive at U.S. dealers in early 2013, a company spokesperson told Inside Line.

The 2.2-liter four-cylinder diesel, the latest member of Mazda’s new Skyactiv family of fuel-saving powertrains, will go on sale next spring in Japan, where its first application will be in the Mazda CX-5crossover.

In the U.S., a Mazda spokesperson, responding to a query from Inside Line, said: “While I cannot divulge which Mazda vehicle will be outfitted with the Skyactiv-D 2.2L diesel for the U.S. market, I can say to expect that vehicle within the next 18 months.”

Mazda said the Skyactiv-D 2.2 is the world’s first passenger-car diesel to meet Japan’s tough new emissions standards without expensive aftertreatment technology to reduce nitrogen oxide.

Equipped with an idling-stop system, the Skyactiv-D 2.2 in the CX-5 will develop 310 pound-feet of torque, while returning average fuel economy of 44 mpg on Japan’s JC08 test cycle.

Source: Inside Line

Compiled By: Josh Martin

 
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Posted by on December 1, 2012 in Automotive

 

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How Regenerative Braking System Saves You Gas – Video Blog

Batteries aren’t the only technology mankind has invented to store electricity, and Mazda has perfected a solution to the energy storage needs of electrified vehicles with a new system it’s calling i-ELOOP.

The i-ELOOP system will be featured in the first production passenger vehicle with recaptured energy from regenerative braking stored in a capacitor. The rest of the bits and pieces behind the tech include a variable voltage alternator and a DC/DC converter that sends energy otherwise lost to heat in the brakes at up to 25 volts to the Electric Double Layer Capacitor, where it’s stored for later use.

There’s no electric motor in the i-ELOOP drivetrain, so the capacitor releases its energy to recharge the car’s battery and to help power electric components like the heating and air conditioning systems. All in, Mazda promises fuel savings of up to 10 percent over cars not equipped with regenerative braking. Read all about it in the press release below:

Source: Mazda USA Press Release

Mazda ‘i-ELOOP’ World’s First Capacitor-Based Regenerative Braking System for Passenger Vehicles

Hiroshima, Japan 25 November 2011. Mazda Motor Corporation has developed the world’s first passenger vehicle regenerative braking system that uses a capacitor. The groundbreaking system, which Mazda calls ‘i-ELOOP’, will begin to appear in Mazda’s vehicles in 2012. In real-world driving conditions with frequent acceleration and braking, ‘i- ELOOP’ improves fuel economy by approximately 10 percent.

Mazda’s regenerative braking system is unique because it uses a capacitor, which is an electrical component that temporarily stores large volumes of electricity. Compared to batteries, capacitors can be charged and discharged rapidly and are resistant to deterioration through prolonged use. ‘i-ELOOP’ efficiently converts the vehicle’s kinetic energy into electricity as it decelerates, and uses the electricity to power the climate control, audio system and numerous other electrical components.

Regenerative braking systems are growing in popularity as a fuel saving technology. They use an electric motor or alternator to generate electricity as the vehicle decelerates, thereby recovering a portion of the vehicle’s kinetic energy. Regenerative braking systems in hybrid vehicles generally use a large electric motor and dedicated battery.

Mazda examined automobile accelerating and decelerating mechanisms, and developed a highly efficient regenerative braking system that rapidly recovers a large amount of electricity every time the vehicle decelerates. Unlike hybrids, Mazda’s system also avoids the need for a dedicated electric motor and battery.

‘i-ELOOP’ features a new 12-25V variable voltage alternator, a low-resistance electric double layer capacitor and a DC/DC converter. ‘i-ELOOP’ starts to recover kinetic energy the moment the driver lifts off the accelerator pedal and the vehicle begins to decelerate. The variable voltage alternator generates electricity at up to 25V for maximum efficiency before sending it to the Electric Double Layer Capacitor (EDLC) for storage. The capacitor, which has been specially developed for use in a vehicle, can be fully charged in seconds. The DC/DC converter steps down the electricity from 25V to 12V before it is distributed directly to the vehicle’s electrical components. The system also charges the vehicle battery as necessary. ‘i-ELOOP’ operates whenever the vehicle decelerates, reducing the need for the engine to burn extra fuel to generate electricity. As a result, in “stop-and-go” driving conditions, fuel economy improves by approximately 10 percent.

The name ‘i-ELOOP’ is an adaptation of “Intelligent Energy Loop” and represents Mazda’s intention to efficiently cycle energy in an intelligent way.

‘i-ELOOP’ also works in conjunction with Mazda’s unique ‘i-stop’ idling stop technology to extend the period that the engine can be shut off.

Mazda is working to maximize the efficiency of internal combustion engine vehicles with its groundbreaking SKYACTIV TECHNOLOGY. By combining this with i-stop, i-ELOOP and other electric devices that enhance fuel economy by eliminating unnecessary fuel consumption, Mazda is striving to deliver vehicles with excellent environmental performance as well as a Zoom-Zoom ride to all its customers.

At the 42nd Tokyo Motor Show, Mazda will debut the i-ELOOP system in the TAKERI concept car, a next generation mid-sized sedan that features SKYACTIV TECHNOLOGY and KODO – Soul of Motion design theme..
By: Josh Martin

 
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Posted by on November 23, 2012 in Automotive, technology, Uncategorized, Video Blog

 

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