You can produce 240-volt (AC) electricity fairly easily, using a device called a static inverter.

Smaller units plug into a conventional cigarette lighter socket - suitable for charging mobile telephone, cameras, camcorders and PDAs. Larger units need to be hard-wired into the car's electrical system.

Selecting an inverter usually depends on what you want to do with it. Inverters are rated in watts (W).

• 50W is good enough for basic battery recharging of phones and cameras.
• 150W will run an average laptop computer.
• 250W willl run a 19-inch LCD TV.
• 600W is enough for

This post is about how to tighten wheel nuts on cars. The humble wheel nut (also called a ‘lug nut’) is more complext than you might think.

How hard can this nuts and bolts stuff - and in particular, tightening them up - really be? The answer is: ‘plenty’. And getting it wrong has consequences - bad ones. So here's how to tighten wheel nuts properly.

Tightening your wheel nuts incorrectly after replacing a wheel can warp the bake disc, leading to uneven wear and a condition known as DTV: ‘disc thickness variation’. This is where the clamping force on the disc is uneven, leading to uneven wear, and a brake pedal that pulsates annoyingly underfoot because the disc is warped

The breakdown lane on the freeway is a dangerous place. Here's how not to dice with death, stopped

My favourite place not to stop on the freeway: the breakdown lane. Understand the shocking risk motorists face when they don’t even think twice about dicing with death in the breakdown lane by watching the video below.

Have you ever really thought about what you would do if you break down on the freeway?