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Toyota R&D shows off free piston engine linear generator for future EVs

We often hear how an electric vehicle powertrain architecture allows vehicle designers much more freedom than a traditional ICE powertrain does. With differently shaped battery modules and small electric motors, there are lots of way to put the pieces together. With today's plug-in hybrid technology, engineers still need to put a decent-sized ICE somewhere, but new technology from Toyota could free up the gas-electric vehicle designers of the future. Presented at the recent SAE World Congress in Detroit, the idea from Toyota Central R&D Labs Inc. and involves what is called a Free Piston Engine Linear Generator (FPEG). Think of it as a sort of one-cylinder, two-stroke mini-engine that can work either as a generator (thank to magnets and a linear coil) or to directly drive a vehicle. The current prototype is a 10-kW unit that Toyota say would provide enough power to get a B- or C-segment electric vehicle up to highway speeds (75 miles per hour) when paired up to offer 20 kW. Pairing the FPEGs is also important to minimize vibrations. One system tested by Toyota had a 42 percent thermal efficiency, but the engineers are working to improve the overall efficiency even further. You can watch an animated video of the piston in action here (click on "Outline") and see the SAE papers here and here. More technical details are available at Green Car Congress. News Source: Toyota Labs via Green Car CongressTip: Thanks, Joe V. Green Misc. Auto Shows Toyota Technology Emerging Technologies Electric generator

Toyota hydrogen vehicle visits CES, on sale in US in 2015

If there was ever any doubt that Toyota loves hydrogen vehicles, just listen to some of what Bob Carter, senior vice president of automotive operations for Toyota Motor Sales, USA, said today at the Consumer Electronics Show (CES) in Las Vegas: "Fuel cell electric vehicles will be in our future sooner than many people believe, and in much greater numbers than anyone expected." "Hydrogen works beautifully with oxygen to create water and electricity and nothing more." "This [hydrogen] infrastructure thing is going to happen." "I believe what I'm going to tell you about today is going to change our world." Sounds like love is in the air. In all seriousness, Toyota is incredibly bullish on the future of hydrogen as a part of the automotive landscape, and is now gearing up for the 2015 launch of its hydrogen sedan. The concept version of the car was shown for the first time at the Tokyo Motor Show last fall and is making its North American debut at CES today, alongside the still-under-camo engineering prototype. The reasons for Toyota's hydrogen confidence? The debut vehicle is supposed to be a "reasonably priced" car that has a range of 300 miles and a refueling time of about five minutes. Carter highlighted the engineering work that Toyota has done over the past decades to get the fuel cell system downsized while upping power output to over 100 kW. He also said the vehicle will have carry enough energy to power a house for a week, so company engineers are working on an export power supply device. The H2 Toyota sedan will start sales in California (the only state in the US where there are currently any hydrogen stations) next year. The automaker is working with the University of California Irvine's Advanced Power and Energy Program (APEP) to figure out where to build the next series of public hydrogen fueling stations. Today there are ten, but the model Toyota is using "is based on the assumption that owners want to reach a refueling station within 6-minutes" and shows that 68 stations would be able to serve around 10,000 hydrogen vehicles. 'Toyota Car of the Future' On Sale Next Year; Opens 2014 Consumer Electronics Show (CES) Reasonably priced hydrogen fuel cell electric targets 300-mile range, 3-5 minute fill-up LAS VEGAS (Jan. 06, 2014) – "We aren't trying to re-invent the wheel; just everything necessary to make them turn," said Bob Carter, senior vice president of automotive operations for Toyota Motor Sales (TMS), U.S.A.

Toyota responds to video of Highlander ramming house [w/video]

There are, as they say, two sides to every story, so after we posted a video on Monday showing what an owner claimed to be a case of unintended acceleration causing her Toyota Highlander to crash into a house twice, Toyota reached out to us revealing some additional information about the incident.
Following this crash, which took place back in November, Toyota had this Highlander inspected and pulled data from its Event Data Recorder (EDR), or Black Box as we've come to call it. Not only was this the first time we've seen a claim of unintended acceleration like this caught on video, but now, also a first, we have actual data showing what the vehicle itself recorded during this frightening ordeal.
Brian Lyons, Toyota Communications Manager for Safety and Quality, first gave us some information about the Highlander in question, including the fact that it was a 2012 model. The 2012 Highlander came from the factory with a brake override system, meaning it was not part of the company's initiative in 2010 to add the system to all 2011 models. Also, after looking at the data from the EDR, he said - as many of you pointed out in the comments for the previous post - that the "brake pedal was never touched." In the video, you can see that the crossover's brake lights never come on, and the EDR's data backs this up.