New Sasol GTC cars set for thrills

The iconic Grand Prix Circuit will present a new challenge to the GTC drivers as they tackle the country’s fastest racetrack on June 16.

Suzuki’s new Swift hatch and sedan in SA

Suzuki kicks off its new model assault with an all new Swift hatchback and standalone sedan called the Dzire.

Mazda's plan to slash consumption

2008-06-23 10:09
Mazda, engines
Mazda has announced that it intends slashing fuel consumption by 30% on all its vehicles sold globally by 2015.

The commitment, according to Mazda, includes the use of lightweight materials (the manufacturer aims to reduce the weight of its new vehicles by 100 kg or more), the upgrade of most petrol engines, a new petrol rotary engine andnew diesel engines.

A Smart Idle Stop system will be also introduced in a volume seller from 2009.

Stop start

Mazda says its system is the only one in the world that restarts the engine from idle by injecting fuel directly into the cylinder and igniting it to force the piston down. This allows for fast and quiet restarts and in increase in fuel economy by seven to eight per cent.

The system will first be rolled out in Japan and Europe, before filtering down to other global markets.

Other developments include introduction of a flex-fuel engine in Northern European and North American markets from 2009, and from 2011, next generation direct injection spark ignition (DISI) on all new petrol engines. This should boost power by 15 to 20% and improve fuel economy by about 20%.

From 2011, Mazda's new diesel engines will meet the strictest emissions regulations in any market, the company claims.

These engines will feature next generation direct injection technology, turbocharging systems and NOx reduction technology, which will enhance fuel economy by 20% and produce cleaner exhaust gases.

New rotary

Mazda's rotary engine will be significantly upgraded in 2010 and DISI technology along with high-speed combustion technology will improve performance and economy.

The manufacturer's hydrogen powertrain efforts recently received another boost when the Mazda5 Hydrogen RE Hybrid received the green light from the Japanese government to begin testing on public roads.

This version of the MPV is said to offer 40% more power and an extended hydrogen driving range of 200 km. It will be available for commercial lease in Japan during the 2008 fiscal year.

And, Mazda is already developing an all-new Hydrogen RE vehicle with dynamic performance equivalent to a 3.0-litre petrol engine and a hydrogen range of 400 km.

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