Credit: In the market for some lightbulbs? President's Day Weekend will be a good time to buy lightbulbs and other Energy Star appliances in Maryland. (Thinkstock)

Some appliances are tax-free in Md. on Presidents Day weekend

DC pitches autonomous vehicle pilot zone at L’Enfant Plaza

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DC will break even on Capitol Riverfront investments this year

Sous-vide pioneer Cuisine Solutions invests $70M in Sterling expansion

Sam’s Club to offer free shipping for premium members