I have already written about LiquidPiston and its XTS-210, but Avadi's idea is even more striking: it is a reciprocating engine that works as a rotary. Imagine an ICE with a single piston.

President-elect Trump’s appointed “border czar” said Monday that a potential legislative solution for Dreamers should be contingent on Democrats supporting increased border security and ...

Trump has said he would look for ways to spare immigrants who were brought to the country illegally as children, known as Dreamers, from deportation. But during Mr. Trump’s first presidency ...

Former President Obama on Saturday marked 12 years since his executive action on the Deferred Action for Childhood Arrivals program, or "DACA," and called on Congress to codify the program into ...

The Florida Legislature Tuesday night voted to cancel in-state tuition for undocumented students, known as Dreamers — as Dreamer advocates insisted the move will not only hurt Florida ...

Even as companies continue to develop renewable energy sources designed to reduce the world's reliance on fossil fuels, we are likely still decades away from phasing out the internal combustion ...