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hydraulics

My Favorite Cars Pt. 2: The '64 Impala

In celebration of my birthday this last week, I'm making my blog kind of a "birthday wishlist" of my favorite cars that I've never owned. Yesterday, we saw video of a restored 1988 Pontiac Fiero. Today, as a tribute to my youth spent bumpin' Eazy E and NWA, I pay tribute to the timeless American classic, the much fabled 1964 Chevy Impala.

This vid features a tricked out 64 Impala with some supercharged hydraulics bouncing on Las Vegas Boulevard in good ol' Sin City. And I must say, the Impala looks regal with the bright Vegas … Read more

How it works: Hydraulic hybrid vehicles

UPS released this video detailing how its hydraulic hybrid trucks work.

Essentially, the system uses its pressurized hydraulic fluid to motivate a pump that turns the wheels, propelling the vehicle forward. Under braking, the same pump is used to repressurize the fluid, recapturing some of the lost energy.

Once it drops below a preset level, the gasoline engine kicks in to drive a second pump, which drives the wheels, while repressurizing the system.

What's interesting about this system is that the gasoline engine doesn't appear to have a direct connection to the drive wheels, relying wholly on hydraulics … Read more