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Toyota to buck engine downsizing trend, may go larger and turbo-free

Turbocharging isn't really Toyota's specialty, and the Japanese automaker isn't being shy about acknowledging it. Koei Saga, a senior managing officer in charge of drivetrain research and development, says that eschewing turbos and increasing displacement of engines using the Atkinson cycle can produce better power gains without sacrificing fuel economy, Automotive News reports.
Toyota is investing heavily in larger-displacement Atkinson-cycle engines in addition to turbocharged engines, but Saga doesn't think the automaker will use turbocharging across many product lines. He apparently remains unconvinced that the technology "makes the world better."
In Toyota's eyes then, Atkinson cycle engines do make the world better, and here's how. Their pistons complete four processes - intake, compression, power and exhaust - in one revolution of the crankshaft, and the power stroke is longer than the compression stroke. Traditional Otto cycle engines require two crankshaft revolutions to accomplish those same four operations and have equal-length compression and power strokes. Atkinson cycle engines are more efficient, but less power dense, though increasing displacement can offset that shortfall.

Recharge Wrap-up: Mazda, Subaru and Toyota PHEV, Nomadic Power grant

The next generation of the Toyota Prius Plug-in Hybrid looks to be important for Mazda and Subaru as well. Toyota will likely need to sell more of the new plug-in hybrid to meet stricter ZEV standards in California. That means it will get more extra electric range, as customers have been asking for. Subaru and Mazda will also have to adhere to the California standards beginning in 2018. Those two smaller automakers will likely license a plug-in hybrid powertrain from Toyota in order to fulfill compliance. Read more at Green Car Reports. Tesla is partnering with Dalhousie University to improve battery technology. Tesla signed a five-year research agreement with Dalhousie's Jeff Dahn, a lithium-ion battery researcher. Dahn and the 25 researchers in his lab will work with Tesla's Director of Battery Technology, Kurt Kelty, to increase capacity through improved materials. The collaboration could be important both for Tesla's automotive and stationary batteries. "Our research group's goal is to increase the energy density and lifetime of Li-ion batteries, so we can drive down costs in automotive and grid energy storage applications," says Dahn. Read more from Dalhousie University. Nomadic Power is receiving a European Commission grant worth ˆ2 million (about $2.26 million) for trailer-mounted mobile batteries. Nomadic Power's mobile batteries, called Nomads, have incorporated photovoltaic systems and can be used to extend the electric driving range of a plug-in vehicle, or to provide backup power to a home. The Nomads use an intelligent energy management system to learn and predict user behavior and manage the solar system based on weather forecasts. "We see a strong future in electric-powered mobility and an increasing use of renewable energy, photovoltaic power in particular," says Nomadic Power CEO Dr. Manfred Baumgaertner. "Our mobile batteries have great potential in these markets that recently got a significant shot in the arm by Tesla's announcements." Read more from Nomadic Power, and at Green Car Congress. Related Gallery 2012 Toyota Prius Plug-In: First Drive View 24 Photos News Source: Green Car Reports, Dalhousie University, Green Car Congress, Nomadic PowerImage Credit: Nomadic Power Government/Legal Green Mazda Subaru Tesla Toyota Technology Electric recharge wrapup

4th-gen Toyota Prius production delayed by 6 months

If you were holding off buying a new car in anticipation of the fourth-generation Toyota Prius arriving in 2015, your wait might be a little longer. Company insiders are claiming that production of the bestselling hybrid is being pushed back from spring to possibly as late as December 2015. Toyota is reportedly still making alterations to make sure everything is just right before it unleashes the all-important, efficient hatch on a waiting public.
According to unnamed sources speaking to Automotive News Europe, the main reasons for the delay aren't completely known. It's believed the engineers are still working on making the hybrid powertrain more efficient and improving the new Toyota Global Architecture modular platform. The insiders claim that the final production prototype of the Prius is still under development, and it might be November before it's finalized. From there, it usually takes around 12 months to tool up and for the first car to roll off the assembly line. It would be another year after that before the plug-in variant starts assembly. The national manager of Toyota Product Communications, Michael Kroll, told AutoblogGreen, "As you might expect, we can't comment on future product plans."
Despite the delay, some potential details have already emerged about the new hybrid. A company spokesperson recently told Autoblog via email that Toyota is engineering the next-gen Prius to have smaller, more power-dense electric motors and greater thermal efficiency. The new modular platform is also rumored reduce weight, and the changes could lead to a targeted 10 percent improvement in fuel economy.