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Fuel Injection

Chevy's 2013 2.2 liter dual blown IndyCar engine (Photo: Chevrolet)

INDYCAR has announced that all engines for the IZOD IndyCar Series from 2014 forward will be equipped with twin Borg-Warner turbochargers. In the 2012 season, returning engine manufacturer Chevrolet squared dual turbochargers against Honda's single, and dominated the circuit. (After a problem-filled season, Lotus has dropped out of competition.) Next year should show better performance and a level playing field.  Read More

The side view of the EV-Cub electric motorcycle

Honda has released images of several new eco-friendly two-wheelers it will present at the Tokyo Motor Show later this month, including the EV-Cub electric motorcycle, the EVE-neo electric scooter and its previously-announced PCX global scooter, the first two-wheeler to employ an 'idling stop system'. The most interesting of the new eco-bikes is without doubt the EV-Cub, which employs what appears to be car2car and car2driver communications dubbed HELLO! (Honda ELectric mobility LOop) and a LOOP portable communication tool that fits in the palm of one’s hand and “allows people and mobility devices to communicate with each other.” The EV-Cub also appears to have electric motors in both front and rear wheels, indicating that it is almost certainly a two-wheel-drive (2WD) motorcycle. 2WD motorcycles are expected to become commonplace in the future as, like their 4WD automotive cousins, they offer traction advantages on loose surfaces and wet roads and improve rider safety, especially for learners.  Read More

The most fuel-efficient diesel engine in the world, the Wärtsilä RTA96C, converts 50% of f...

The two engine technologies tend to be regarded as completely separate, so we rarely contemplate how gasoline and diesel can work together. But, in a series of tests conducted at the University of Wisconsin, scientists have used an engine’s fuel injection to produce the optimal diesel-gas mix for any given moment. The results are impressive: an average 20% greater fuel efficiency; combustion temperatures reduced by up to 40%; and effortless meeting of the stringent EPA 2010 emission regulations. Plus, the researchers believe that if their findings were implemented into every gasoline and diesel engine in the US, the savings could be as great as 4 million barrels of oil daily.  Read More

Porsche next generation 911 Turbo gets new 500 BHP engine

In 1974 Porsche introduced the 911 Turbo (Porsche 930 in the U.S.) and it became an instant classic with its swollen wheel-arches, whale tale spoiler, distinctive exhaust rasp, demanding handling and 256 bhp of eye-popping acceleration. Now Porsche is poised to release a next generation 911 Turbo at Frankfurt Motor Show next month and the extensive check list of techno-wizardry highlights just how far automotive technology has progressed in a third of a century – driving dynamics have improved dramatically from previous turbos, it uses less than half the fuel (24 mpg) of the original and produces TWICE the power.  Read More

Suzuki RMX450Z

Suzuki is finally joining the serious off-road marketplace with an all-new fuel-injected RMX450Z enduro racer. The bike is based on Suzuki's RM-Z450 motocrosser, with a significantly-reworked version of the Electronic Fuel Injection (EFI), 449cc, DOHC, four-valve, liquid-cooled, single-cylinder engine. A longer inlet tract, less radical cam profiles, wider gear ratios plus an electric starter are the main changes to the high-spec off-road weapon, all wrapped in the motocrosser's frame, suspension and bodywork.  Read More

Mazda’s Smart Idle Stop System uses Direct Injection Engine Technology

September 9, 2008 The imperatives of better fuel economy and reduced emissions are breeding some fascinating developments of the good ol’ Internal Combustion Engine (ICE). One of the most logical ideas could have been invented by any schoolboy – turn off the engine when it isn’t being used. VW was the first to trial the idea and BMW, MINI, smart, Citroen and Peugeot have followed suit, all using electrical power to restart the engine, requiring beefed up starting systems to cope with ever-more-congested urban conditions (25% of European driving time is now spent at standstill). Now Mazda has come up with a better idea - restarting the engine through combustion. Mazda’s system initiates engine restart by injecting fuel directly into the cylinder while the engine is stopped, and igniting it to generate downward piston force.  Read More

Honda's 2009 CRF450R

Honda's CRF450R motocross bike has been hugely successful since its launch in 2002 - and although the bike is already recognized as the class leader, it's receiving a kitchen-sink included upgrade for 2009. Lighter, quicker, more powerful and with even tighter mass centralization for quick handling, the 2009 CRF450R also sports a Honda first - battery-free, programmable fuel injection that raises output power and control while dramatically reducing fuel consumption. Out of the box, Honda says it's two seconds faster around a supercross track than this year's bike.  Read More

The unnamed 110cc prototype

August 8, 2008 Fuel injection arrived on two wheels with the release of Honda’s CX500 Turbo a quarter of a century ago, and Honda has been developing smarter and more intricate computer controlled fuel injection systems for its two wheelers ever since. These days its advanced PGM-FI (Programmed Fuel Injection) technology is fitted across the range from 50cc scooters through its MotoGP race machinery, offering broader and smoother power, better throttle response and vastly reduced fuel consumption and emissions. A prototype being quietly shown around Asia suggests that it might also lead to some lightning fast scooters in the near future.  Read More

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