Add Yahoo as a preferred source to see more of our stories on Google. Compressed-air energy storage, a decades-old but rarely deployed technology that can store massive amounts of energy underground, ...

The city of Pasadena in California is undertaking a massive public infrastructure project that will see all of its overhead utility lines buried underground, but the work will take another 500 years ...

SAN DIEGO (FOX 5/KUSI) — The San Diego City Council unanimously voted on Tuesday to advance an initiative to begin undergrounding power lines in a number of neighborhoods who have yet to see these ...

The Karowe mine is an existing conventional drill-and-blast openpit operation, with diesel excavators and trucks providing an average of 2.6-million tonnes a year of kimberlite feed for the mill. The ...

Platinum Contracting of Nevada workers are busy this weekday morning at a new housing subdivision in southwest Las Vegas, digging 16-foot trenches that will run under the street for sewer lines along ...

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...

The upgrades target neighborhoods most vulnerable to severe weather or liability issues.