Report says infrastructure projects' capital costs total $330 billion; benefits range from $500 billion to $1 trillion.

December rate, not seasonally adjusted, increased to 7.4% from November's 5.7% but declined from year-earlier 7.5%.

Industry economists note that Nov. $1.18-trillion rate was highest since 2006; nonresidential sector's level strongest in eight years.

Smart cities are coming, and electric utilities should become partners in ushering in this new era.

China is waiting to see if U.S. President-elect Donald Trump will scrap the Paris climate deal, as his campaign promised.

Decision is Treasury's first benefit-cut approval under 2014 multi-employer pension law.