Power Down with DMAIC
To reduce your electricity usage, try an engineer’s problem-solving method.
BY TOM ANDERSON 
Illustration by Alison Kendall
If your electric company has tiered rates, you’ll pay a reasonable price for a little electricity, a higher price for more — and a vastly higher price if you use too much.
To reduce my bill, I’ve started carefully measuring my household electricity usage, and trying different things to reduce it. I’m using the approach that’s taught to engineers, called the DMAIC process:
Define — state the problem to ...
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