You can damage your engine if you're not careful to use the right oil filter and replace the oil-drain plug without stripping its threads, or forget a leak-stopping gasket.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic

Never put chemicals or oil down the drain -- they will contaminate rivers and then make its toxic way into our oceans.

CNN: The stark reality of a throw-away society

Irene can serve as our wake-up call, a reminder to look elsewhere for our energy needs: instead of pouring our money down the drain, funding oil despots overseas, our money should stay right here at home, where renewable energies can increasingly serve as an economic multiplier the likes of which Americans have never before experienced.

FORBES: Hurricanes Drive Home Appeal Of Alternative Energy Sources

It's the oil somebody changed and poured down the drain.

CNN: Polluted rivers stain Portland's image

There are some systems that actually will take a circle and drop it just below the surface of the water and have the oil kind of flow into it, almost like a drain, recover it and pump it out.

WHITEHOUSE: Daily Press Briefing

In the wake of the events in Egypt, the government raised heating oil allowances for public sector workers after an earlier plan to withdraw subsidies that drain the national budget.

BBC: Syria opens up to social networks