Times Argus: National Life Group announced on Wednesday that its biomass energy project will meet 90 percent of the heating needs of its Montpelier campus while reducing the company’s annual carbon footprint by 45 percent. The $2 million project, scheduled to be completed in late summer, is expected to cut National Life’s annual usage of heating oil from 210,000 gallons to about 30,000 gallons. The company’s $500,000 annual heating bill will be cut roughly in half. National Life’s …