Spec 1995-1996 Audi A6 2.2l Stage 5 Clutch Kit Sa245 on 2040-parts.com

Modified supercars at SEMA 2013 in pictures

The SEMA tuning and modified car show held in that centre of American excess, Las Vegas, is a melting pot for all things automotive. From trucks and busses to family saloons and hatchbacks, aftermarket tuning companies go to work making the wackiest modified versions of every type of vehicle around, showing off their wares at SEMA. Not even supercars are off limits.

Electric cars can become electricity banks

Ever try to store electricity? It won't stay in a bottle, and you can't keep it in your sock drawer. So when you have a lot of it--say, when it's windy and your wind turbines are really spinning, or when it's sunny and your gallium arsenide photovoltaics are lighting up, or at night when the utility's generators can run unhindered--you have to store it somewhere.

Crucified cassette, Hindi BMW remix CD and other junkyard musical finds

In addition to holiday-themed displays assembled by junkyard employees and the occasional sad, flood-victim Volvo Amazon, I frequently find homemade mix CDs and cassette tapes while prowling through wrecking yards. In fact, it would be possible to go into just about any high-inventory-turnover self-service wrecking yard in North America and come away with several dozen such discs and tapes, if anybody ever felt motivated to do such a thing. I haven't, yet.