More than 1,000 U.S. companies, including some of the nation's largest manufacturers, are urging Congress to preserve the 25-year-old Energy Star program to promote efficiency in home and business products.

President Donald Trump's proposed budget would eliminate funding for Energy Star, which encourages efficiency in major appliances, office equipment, lighting and home electronics.

Companies including United Technologies Corp., Ingersoll Rand and Staples call the program a model for successful collaboration between the public and private sectors...Read on.