Pictures you didn't take

[glatt]

I looked up this very fact a few years ago when I watched a snow melting operation in action and the answer depends very much on the ambient temperature. If it's near freezing, the energy cost to melt is very small, and as it gets colder, trucking is the better deal. I forget the break even point.

[Carruthers]

Firefighters work at the scene of an overnight blaze in Philadelphia. The region has suffered freezing temperatures that have closed schools

From this morning's edition of The Times.