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Nissan Quest under investigation for inaccurate fuel gauges

After receiving 12 complaints in the last 14 months, the National Highway Traffic Safety Administration has begun a preliminary investigation into a fuel gauge issue with the 2007 Nissan Quest. Drivers have reported that the fuel level gauge will show there's gas in the tank when there actually isn't - in two cases, the digital distance-to-empty gauge indicated more than 70 miles of remaining range - and it will stall out.
This is the second time the 2007-model-year Quest has been involved in the same fuel gauge issue. In 2010 Nissan recalled seven models, including the Quest, from the 2005-2008 model years because of faulty fuel readings. The 12 vehicles in this latest complaint could have slipped through the cracks then, but we'll find out more when NHTSA updates its progress with the investigation into the estimated 37,656 units.

Renault appoints Dacia Logan creator to head its Nano-rival program in India

After watching the Tata Nano post sales numbers smaller than its engine displacement, Renault gave up on its much publicized intention to build a truly inexpensive car to rival it. Then, a month ago, reports emerged that Renault was resuming work on a couple of low-priced cars for emerging markets, but this time it would work with its in-house partner, Nissan. That plan envisions an offering for €3,000 ($3,888 US) and another for €5,000 ($6,400 US), both of which would be more spendy than the Nano but might avoid the charge of being cheap - and nasty - and instead be considered affordable.
A report in Reuters talks to the man in charge, Gerard Detourbet, who has been in Chennai, India since at least August working on the program. Detourbet led the Dacia Logan project and is considered "Renault's low-cost car specialist" and "the father of entry-car programs." This one is reportedly codenamed A-Entry and will create a "'sub-entry' architecture" that will provide roominess beyond the vehicle's price and class, and use an engine with a displacement of 800 cubic centimeters.
It isn't aimed at the Nano, though - it means to take on the products that make up 45-50 percent of India's car market, like the Maruti Suzuki Alto and Hyundai Eon. According to Reuters, out of the 2.6-million-strong Indian car market the Maruti Suzuki line-up alone nabs one million registrations annually. The Alto 800 begins at 244,000 rupees ($4,440 US), the Eon at 300,000 rupees ($5,559 US), the Chevrolet Spark at about 316,000 ($5,750 US); if Renault can nail its price targets it will just about bracket those three and be right in the game.

A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show