Abstract: This paper presents a conceptual design for efficient spark ignition (SI) engines using biogas and natural gas, it is based on the thermodynamics laws, and three scientific methodologies. 1.

Laws are made by humans and can be changed—unlike the laws of physics. The European Commission has presented a proposal for a new version of the CO₂ fleet mechanism. This draft will subsequently be ...

EU sets 90% car CO2 emission reduction target for 2035 EU's EV policy shift may benefit Chinese automakers Comes after Ford takes $19.5 bln charge, retreats from EVs Analysts say picture more nuanced ...

The plane returned to Dulles and safely landed, officials said. One of the engines on a United Airlines flight taking off from Dulles International Airport in Virginia failed as it lifted off Saturday ...