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2015 Toyota Sienna SE keeps the swagger, adds thoughtful updates [w/videos]

Toyota found huge success with its "Swagger Wagon" rap video for the 2011 Sienna SE. It showed that a minivan could actually sort of maybe be fun and didn't have to be a lame vehicle for people who long ago lost their sense of humor. Now that there is a slight refresh for the 2015 model, the company is trying to capture that effervescent image again with a bunch of videos aimed at families.
For the latest launch, Toyota is partnering with some family-friendly online video stars and having them show off the Sienna's features. It's releasing YouTube videos from the creators of Action Movie Kid and Convos with My 2-Year-Old and a Vine from Eh Bee Family, and they all hope to show that it's cool to be a family with a minivan.
In terms of actual changes, though, the update is pretty light aesthetically, but the new tech inside seems aimed directly at mom and dad. However, unless you've got a sharp eye, spotting the exterior refresh might be tough. Toyota is tweaking the front end slightly by adding a dark mesh grille and trim. The headlights are also slightly reshaped to incorporate a new strip of available LED running lights.

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 will steer clear of driverless cars

Toyota executives say the company's primary focus is on safety. At least for the time being, that means the company won't pursue development of a driverless car.
Speaking at the company's advanced safety seminar in Ypsilanti, MI, Thursday morning, Seigo Kuzumaki, Toyota's deputy chief safety technology officer, said that Toyota envisions a future driving environment that optimizes the best of both humans and computers, not choosing one over the other.
"Toyota's main objective is safety, so it will not be developing a driverless car." - Seigo Kuzumaki