Shell Turbo t oils provide long term protection against rust and corrosion of your hardware.

壳牌多宝t涡轮机油可为你的硬件设备提供长期的防锈蚀保护。

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It's just that the 640i doesn't have the turbo-V8's brightness, its decadent bellow, its sense of unstrained overcapacity.

WSJ: 2012 BMW 640i Review: For the All-Business Person in a Hurry | Rumble Seat by Dan Neil

The T in those names stands for Turbo Core, which automatically downclocks half the cores in order to provide a little extra speed (up to 500MHz more) to the other three.

ENGADGET: AMD's 3.2GHz hexacore Phenom II X6 1090T comes out for a review roundup

Fuel-saving technology like hybrid power and turbo-charging, they say, isn't enough to do the trick.

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