Smarthome, marketer of energy-efficient technological gadgets, is jumping on the trend of consumers trying to make their homes more energy-efficient through an online sweepstakes. As part of the
promotion, consumers are asked to take an online quiz about their homes' lighting, security and sprinklers.
Prizes include an LCD TV, electronic energy monitors, automated sprinkler
systems and automatic cat litter boxes. The promotion will run from May through October.--Aaron Baar