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Toyota engineer warns automous cars could increase fuel use, urban sprawl

An increasing number of people are starting to consider the potential downsides of a transition to autonomous cars. The FBI is already looking at them for the potential ill effects on law enforcement, and a scientist for Toyota is raising the possibility that driverless vehicles could actually be detrimental to the environment over the long term.
Ken Laberteaux, who studies future transportation for Toyota, thinks that autonomous cars could lead to more pollution, not less, says Bloomberg. However, Laberteaux's theory isn't so much based purely on science as it is considering behavioral and historical trends. "US history shows that anytime you make driving easier, there seems to be this inexhaustible desire to live further from things," said Laberteaux during a presentation at the Automated Vehicles Symposium in San Francisco, CA, cited by Bloomberg.
Laberteaux's belief is that if commuters can make their drives easier, then they will be more willing to live farther away from the cities where they work. The end result would be more urban sprawl and increased pollution from the longer travel times.

Toyota won't face recall for Corolla unintended acceleration

Toyota will not face a recall or further investigation into an alleged unintended acceleration problem in the 2006-2010 Corolla. Following months of analysis, the National Highway Traffic Safety Administration was unable to find a mechanical defect to cause the issue. If there had been a safety campaign to fix the vehicles, it could have affected 1.69 million cars, according to NHTSA. The incident that prompted the investigation occurred in June 2014 when a driver was pulling into a parking spot. The 2010 Corolla allegedly lurched forward under braking and hit an unoccupied Jeep, according to The Detroit News. No one was injured. The owners had the vehicle examined by a Toyota dealer, and it found no problems. They then filed a petition with NHTSA to open a deeper investigation. NHTSA took the family's Corolla and tested it for over 2,000 miles, according to The News. The agency couldn't replicate the problem and found the brakes were capable of keeping the vehicle from moving at full throttle. In their petition, the owners also submitted 143 other unique complaints of this issue in the Corolla, but the Feds found that most of these incidents were due to driver error where the gas or both pedals were accidentally pressed. After taking all of this into account, "NHTSA has concluded that further investigation of the issues raised by the petition is not warranted," the agency wrote in its report. You can read the entire, 23-page explanation for yourself in PDF format, here. INVESTIGATION Subject : Low-speed surging Date Investigation Opened: SEP 19, 2014 Date Investigation Closed: APR 29, 2015 NHTSA Action Number: DP14003 Component(s): VEHICLE SPEED CONTROL All Products Associated with this Investigation Vehicle Make Model Model Year(s) TOYOTA COROLLA 2006-2010 Details Manufacturer: Toyota Motor Corporation SUMMARY: The Agency received a petition on September 11, 2014 requesting an investigation into, "low-speed surging in the 2006-2010 Toyota Corolla [vehicles] with ETCS-i, in which the brakes fail to stop the vehicle in time to prevent a crash." NHTSA conducted a technical review of the material cited and provided by the petitioner, material Toyota submitted in response to a NHTSA formal request, interviews with complainants and manufacturer representatives, as well as the results of testing of the complaint vehicle.

IIHS: Drivers safer than passengers in frontal crash test

The Insurance Institute for Highway Safety introduced a small overlap frontal crash test in 2012 that replicates what happens when the front corner of a car impacts another object. In the test, vehicles travel at a speed of 40 mph toward a five-foot-tall barrier with 25 percent of the total width of the car striking the barrier on the driver side. One would assume that vehicles with good small overlap front ratings would protect the driver and the passenger equally. But a recent study from the IIHS proves that passengers aren't as protected as drivers. The IIHS conducted the test on seven small SUVs with good driver-side small overlap ratings and only one of the vehicles, the 2016 Hyundai Tucson, performed well enough to be given a good rating. The other SUVs performance ranged from poor to acceptable. After reviewing the results of the test, the IIHS is deliberating whether it should institute a passenger-side rating as part of its Top Safety Pick criteria. "This is an important aspect of occupant protection that needs more attention," states Becky Mueller, lead author of the study and an IIHS senior research engineer. "More than 1,600 right-front passengers died in frontal crashes in 2014." Since the small overlap front test was introduced, 13 automakers have made structural changes to 97 vehicles with roughly three-quarters earning a good rating after the adjustments. The IIHS' test for frontal ratings is completed with a dummy in the driver's seat and with a barrier overlapping the driver's side. Which makes sense, as passengers aren't always riding in a vehicle. "It's not surprising that automakers would focus their initial efforts to improve small overlap protection on the side of the vehicle that we conduct the tests on," states David Zuby, IIHS executive vice president and chief research officer. "In fact, we encouraged them to do that in the short term if it mean they could quickly make driver-side improvements to more vehicles. As time goes by, though, we would hope they ensure similar levels of protection on both sides." As the IIHS' test revealed, there's a massive difference in safety between the two front seats. Increase passenger safety, according to Mueller, would require automakers to strengthen the occupant compartment by using a different type of material or by making it thicker.