How does positive train control – safety technology that could have prevented this week's deadly Amtrak derailment – work and why is it still not on US rails?
Hordes of Jack Kennedy fans would greet the candidate during his 1960 campaign for President.
Wikimedia Commons
Recent events in Paris – the massacre at the editorial offices of Charlie Hebdo in the 11th arrondissement and the hostage situation at a supermarket near Porte de Vincennes – committed by terrorists with…
To avoid a ‘food versus fuel’ conflict, researchers are exploring bioenergy crops optimized for biofuel.
Great Lakes Bioenergy Research Center
Over the past decade, there have numerous efforts to replace petroleum-based fuels with fuel made from plants, or biofuels. One challenge to commercializing biofuel made from non-food sources — called…
Prices of gas are approaching $2 a gallon. Does that make it a good time to raise the gas tax?
Kevin Lamarque/Reuters
It is well known that the US has a major infrastructure problem with our national highway system. Many of our bridges are in a very poor state of repair and highway maintenance is not keeping up with needs…