Mechanical injection systems rely entirely on engine driven components to meter, pressurize, and time fuel delivery. In these engines, a mechanical injection pump is driven by the engine's gear train ...

However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

Subcutaneous (subQ or SQ) injections are shots given in the fatty tissue layer (subcutaneous fat) under your skin. Your skin has many layers, and the subcutaneous layer is beneath the epidermis and ...