Description: In debate, Dukakis says Bush plans to raid Social Security to balance federal budget. Tip O'Neill says Bush associates with ultraconservatives. Fed banker says SS is healthy and is now offsetting the deficit.
Description: Very costly, futuristic electric cars powered by solar energy developed by MIT and Dartmouth students. Drivers trying out cars on race track.
Description: Explanation of solar energy on roof of elderly housing project in Quincy. Collector cells concentrate sunlight and convert it into photovoltaic electricity to run pump motor to circulate hot water. Man describes installation costs for residential heating system and how savings are achieved.
Description: Solar collector panels on roof of house in Wellesley for hot water system. Mr. Falconi explains how system works: components, cost and savings, efficiency variables depending on climate conditions. Close-ups of hot water tank, thermostat, copper pipes.
Description: Three solar houses in Lincoln. Bare trees, snow on ground. Two men splitting downed tree trunk on Audubon grounds. Collector panels on roof. Sound of power saw. Frozen pond. Long-haired white cat.
Description: Interview with Solar Power Corp. president John Wurmser about Exxon owned local solar power company. As startup business in new industry, not yet profitable or cost-effective, but investment in future. Solar array, volt meter, silicon disk, propeller. Photovoltaics.