Volvo’s next plug-in hybrids: 3-cylinder engine, smaller cars
Volvo currently offers plug-in hybrid powertrains in its top models—the XC90 SUV, S90 sedan, and V90. As the Swedish automaker redesigns its lower-level models, it will add plug-in hybrid options to them as well. But whereas the current T8 "Twin Engine" powertrain uses a 4-cylinder engine and all-wheel drive, other models will use a...