2004 Silver Toyota Sienna Ce Mini-van V6 - Non-running - Needs Engine on 2040-cars

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Submit your questions for Autoblog Podcast #319 LIVE!

We record Autoblog Podcast #319 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #319
Jeep checks out the Grand Wagoneer at Wagonmaster

Toyota claims hydrogen fuel cell breakthrough

Platinum isn't cheap. And it's a necessary component of hydrogen fuel-cell technology. Which means that Toyota's recent discovery of a way to better analyze how platinum breaks down is a bit of an H2 vehicle breakthrough. Toyota worked with the Japan Fine Ceramics Center (JFCC) to observe nanometer-sized platinum particles and, specifically, how they deteriorate. Platinum is used as a catalyst for when electrons are stripped away from the hydrogen molecule to create an electrical charge and when hydrogen ions and electrons mix with oxygen to create water vapor. So, when platinum gets more course during the countless chemical reactions inside of fuel cells, things slow down. Now that Toyota says it's figured out a better way to observe this process, greater efficiency and durability within the fuel-cell process of electricity production are likely to follow, though more chemistry study will be needed to figure out how that will work. Still, it's topical because Toyota last year started producing the world's first production hydrogen fuel-cell vehicle. The Japanese automaker debuted sales of the Mirai fuel-cell vehicle in Japan late last year and plans to start selling the car in California this fall (the car will be priced at $57,500). Toyota also plans to boost Mirai production to about 2,000 units in 2016 from about 700 this year. Take a look at Toyota's documents and video below. R&D Breakthrough Sets Stage for More Efficient, Durable Fuel Cell Stacks Toyota City, Japan, May 18, 2015—A breakthrough in the real-time observation of fuel cell catalyst degradation could lead to a new generation of more efficient and durable fuel cell stacks. Toyota Motor Corporation and Japan Fine Ceramics Center (JFCC) have developed a new observation technique that allows researchers to monitor the behavior of nanometer-sized particles of platinum during chemical reactions in fuel cells, so that the processes leading to reduced catalytic reactivity can be observed. Platinum is an essential catalyst for the electricity-producing chemical reactions occurring between oxygen and hydrogen in fuel cell stacks. Reduced reactivity is the result of "coarsening" of platinum nanoparticles—a process whereby the nanoparticles increase in size and decrease in surface area. Up until now, however, it has not been possible to observe the processes leading to coarsening, making it difficult to analyze the root causes.

2015 Toyota Tundra TRD Pro

Despite the earnest efforts of Japanese automakers like Toyota and Nissan, the American pickup truck scene remains wholly dominated by the likes of Ford, General Motors and Chrysler. This is not news. Part of the reason is because of the sheer number of variants offered by US automakers - everything from work-spec base trucks to house-leveling heavy duty models can be had, with a seemingly endless combination of engines, cab sizes, bed lengths and trim levels. It's a hugely profitable business, and though the Japanese automakers still offer competitive fullsize trucks, in terms of sheer volume, they simply don't compete.
But American pickups aren't just about work; there's a huge play aspect involved, too. Look at the desert-storming Ford F-150 SVT Raptor or the Ram Power Wagon - these butch trucks are built with superb off-road prowess in mind, and Detroit's Japanese rivals have once again largely been silent in this segment. Until now.
Introduced at the 2014 Chicago Auto Show, Toyota now offers the TRD Pro series of models that, in addition to the crazy-orange Tundra seen here, includes the smaller Tacoma pickup and 4Runner SUV. And this isn't just some pretty appearance package, either - there's honest-to-goodness capability baked into all of the TRD Pro models. Intriguing, for sure, so I recently spent a weekend with the big boy Tundra to see what's what.