Air Force One returned to Joint Base Andrews after a minor electrical issue, prompting President Trump to continue his trip on a C-32A aircraft.

Among mainstream hybrid compact SUVs, at present our MotorTrend Ultimate Car Rankings place the 2026 Toyota RAV4 (second) ahead of the Honda CR-V (third) and Subaru Forester Hybrid (sixth). Among ...

Abstract: This brief addresses the emission reduction of spark ignition engines by proposing a new control to regulate the air-fuel ratio (AFR) around the ideal value. After revisiting the engine ...

A1: One approach is to tabulate all the instruments and devices that consume air and assume (as a starting point) that each end device requires 2 scfm and account for future expansion by adding 10% ...

Introduction: Stroke remains a major complication patients may face following Transcatheter Aortic Valve Replacement (TAVR). It has been hypothesized that turbulent flow across persistent paravalvular ...