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Upcoming Subaru WRX STI rumored to get hybrid drivetrain

Subaru might electrify the next-gen WRX STI. According to a rumor from Motoring in Australia citing an unnamed Subie insider, the brand's engineers reportedly have two hybrid systems under development for the future model. The move would allow the STI to boost power output and improve fuel economy and lower emissions to keep up with US regulations. According to Motoring's speculation, the next STI might use an electric motor at the back to power the rear axle and an upgraded version of the FA20 turbocharged 2.0-liter at the front. A new dual-clutch six-speed gearbox would help the power get to the road, and the total system could allegedly offer around 322 horsepower versus 305 hp from the current US model. This rumor also claims the next-gen STI would continue as a sedan when it arrives in 2017. Like previous iterations, the four-door will share underpinnings with the Impreza, which will mean a move to Subaru's new modular platform. The standard hybrid might only be the beginning of electrification for the future STI. Motoring's source also claims the company has a plug-in hybrid variant under development, but it might not debut until the 2018 Tokyo Motor Show. A hybrid STI could be exciting, but until there are solid facts, this rumor joins a long history of powertrain speculation about the high-performance Subaru. In 2008 and 2010, reports emerged about a diesel version, but it never appeared. We once even heard that the current-gen WRX might boast an electric turbo.

Subaru takes another look back, this time at the 2004 WRX STI

Here we have the followup to the rally-mimicking Impreza 22B STI that Subaru recently chronicled in its Vintage Garage series: the 2004 Impreza WRX STI. Displacement for the boxer four was upped from 2.2 liters to 2.5, and after noticing how many buyers had installed larger turbochargers on their WRXs, Subaru decided to bolt on one in-house. That gave the final product 300 horsepower and a 0-to-60 mile-per-hour run of just 4.6 seconds.
It was stiffer, it's body from nose to front doors was penned by Peter Stephens, he of the McLaren F1, it came with a driver-controlled center differential, driver-activated cooling spray for the turbos and 300 pound-feet of torque. This is a curio from a time when, after a new WRX STI came out, you started poring through magazines to see how the Mitubishi Evo was going to respond. You can find out more about it in the video below.

NHTSA investigating 33k Subaru Imprezas for airbag sensor flaw

The National Highway Traffic Safety Administration is beginning an investigation into an estimated 33,500 units of the 2012 Subaru Impreza because of a potential flaw with the sensor for the airbag system. The government agency has 26 complaints about possible faults with the Occupant Detection System for the front passenger seat, and this is the sensor that decides whether a person is an adult, petite, child seat or some other object and adjusts the deployment of the airbag accordingly. However, these reports allege that it was incorrectly turned off when someone was in the vehicle, which caused the airbag not to activate. Subaru put out a Technical Service Bulletin in May 2012 that attempted to address a similar problem. For now, this investigation is classified as a preliminary evaluation and is gathering more data about the potential problem to "assess the scope, frequency, and consequence," according to NHTSA. Related Video: INVESTIGATION Subject : Passenger Front Air Bag Suppression Date Investigation Opened: APR 10, 2015 Date Investigation Closed: Open NHTSA Action Number: PE15012 Component(s): AIR BAGS All Products Associated with this Investigation Vehicle Make Model Model Year(s) SUBARU IMPREZA 2012 Details Manufacturer: Subaru of America, Inc. SUMMARY: The Office of Defects Investigation has received 26 Vehicle Owner Questionnaire reports involving the passenger frontal air bag in MY 2012 Subaru Impreza vehicles. These vehicles use a capacitive type Occupant Detection System, which is intended to classify the occupant of the passenger seat as either full sized, small stature, a child seat or other object. The reports allege that the Occupant Detection System, failed to operate properly and incorrectly suppressed (turned off) the front passenger air bag when the seat was occupied. In a frontal crash sufficient to warranty deployment, a suppressed air bag may increase the risk of injury to the occupant of the seat. Additionally, ODI notes that Subaru published a Technical Service Bulletin (TSB) No. 17-16-12 on May 29, 2012 to address conditions with the Occupant Detection System that can lead to suppression of the passenger air bag when the passenger seat is occupied. ODI is opening this this investigation to assess the scope, frequency, and consequence of incorrect air bag suppression and any connection that may exists to the TSB.