2006 Toyota 4runner Sr5 Sport Utility 4-door 4.7l on 2040-cars

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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.

Toyota reaffirms commitment to body-on-frame SUVs

Toyota sold 121,055 Highlander CUVs in 2012, according to Automotive News. By comparison, it sold 78,457 examples of four different body-on-frame, truck-based SUVs (4Runner, FJ Cruiser, Sequoia and Land Cruiser). One could argue then, that the traditional SUVs aren't pulling their weight from a sales perspective. Yet that isn't stopping Toyota from reaffirming its commitment to a segment that has seen its former champions - Ford, General Motors and Chrysler - abandon it with alarming speed. Ford and GM still offer body-on frame utilities, but only in the very largest offerings, catering to seven or even eight passengers. Everything outside of the Expedition or Tahoe rides now on a unibody.
Toyota's decision to stick with the technology is good news if you're in the market for smaller SUVs that are still capable of heading well off the beaten path. Outside of the Jeep Wrangler, Grand Cherokee (a unibody) and perhaps Nissan Xterra, there's not much in terms of capable SUVs between $20,000 and $50,000. As the Toyota brand's US head, Bill Fay, says, "Clearly, the trend has shifted, but there is still an owner base that is interested in these vehicles."
We don't doubt Fay on that, but it may also be somewhat telling that Toyota's SUV lineup is aging, and we haven't seen or heard much about replacement models in the pipeline. Admittedly, the 4Runner (pictured) has been facelifted for 2014, but it's mostly cosmetic in nature. Despite Toyota's posturing, we still expect its body-on-frame lineup to thin in the coming years as sales dwindle and escalating fuel-economy standards make business cases even tougher. Here's hoping that Toyota manages to keep at least one rough-and-tumble SUV in its lineup in the coming years.

CARB uses tricked-out RAV4 EV to measure air pollution in California

The old-school Toyota RAV4 EV you see above is the California Air Resources Board's version of a non-participant observer. The all-electric vehicle cruises around the state measuring airborne pollution. Since it's powered by batteries, there are no tailpipe emissions created as CARB tries to get a handle on how dirty the roadway air is. The problem, CARB says, is that it is difficult to measure air pollution levels, "during calm conditions at night and in the early morning." There are over 250 stationary air monitoring sites in California today, but the Board wanted a way to expand where and when it can test for things like ultrafine particles, carbon dioxide and nox. The original plan for the Mobile Monitoring Platform – as the RAV4 EV is officially called – was to "Investigate Spatial, Diurnal and Seasonal Pollution Gradients" on California's highways and ports. The RAV4 EV was originally expected to cost $280,000 (see pages 11-12 in this PDF from 2009), but a new report in the Modesto Bee says it had a total of $300,000 just in monitoring equipment. Michael Benjamin, CARB's chief of air monitoring, told the Bee that the MMP, "paints a thorough picture about what air quality is in any given community." More importantly, the stationary and mobile testing equipment can tell CARB when and where the air is getting cleaner. Which is the whole point, after all.