Mazda's BT-50 pickup lineup in Australia is receiving a significant powertrain upgrade with the introduction of a new 2.2-liter four-cylinder turbodiesel engine, replacing the outgoing 1.9-liter unit.

Turbocharging followed a long road to become mainstream in engines like Ford and Lincoln's EcoBoost. The first patent for a turbocharger was issued in 1905, but the metals and bearings available at ...