On paper, Nissan's variable-compression turbocharged engine should have been pretty awesome. Since it could change its compression ratio on the fly, it promised the power of a bigger engine when you ...
Federal safety regulators are scrutinizing General Motors again after reports that a previous recall repair did not stop engines from failing in hundreds of thousands of trucks and SUVs. The new ...
SpaceX’s Starship test flight began as planned, but moments after booster separation, anomalies appeared and communication was lost. Engines failed, the upper stage destabilized, and the flight ...