According to a recent report, the Cadillac SRX-based development of plug-in hybrids.
Details are limited, but Automotive News says that the crossover will use the Volt technology and can draw on experience from previous wide range of vehicles (aka the deceased and the Saturn Vue compact crossover, the Buick stillborn).
As previously reported, the Vue-ick output for use with a two-mode hybrid system with a 257 hp (192 kW / 261 hp) 3.6-liter V6 featured Battery 8 kWh lithium-ion battery. This will allow the transition to travel 10 miles (16 km) on electricity alone, and twice as fuel than a comparable large SUV for short trips. "
It's not about when it will be launched in the Cadillac, but is expected to hit the market sometime in the coming years.