As far back as two years ago, Bob Lutz was dropping hints that Cadillac could get a plug-in hybrid or Volt-based crossover. Today, a new report brings those hints back to live, with the plug-in project getting the nod, using--surprise--some technology from the Volt.

Cadillac isn't confirming or denying the report, but it makes a lot of sense for the brand, which as GM's halo marque, could stand a little more green sheen. The CTS-V line, after all, has huge appeal for us, but only limited draw in more efficiency-concerned circles--and those circles are where sales can be gained from competitors Lexus, BMW, and Mercedes.

The Volt isn't the only tech source in the project, though: the Saturn Vue plug-in hybrid that died in the womb along with the brand will also have lessons to share with the SRX plug-in's development.

Talk of plug-in hybrids isn't limited to crossovers at Cadillac, however. The XTS Concept, for example, featured such a powertrain, and packaged it nicely as well.

While we love the rumble and roar of a big V-8, a sharp V-6, or even a punchy turbo four, we can't argue with the efficacy of a hybrid drivetrain, especially for heavier vehicles that aren't as concerned with ultimate performance. The question now, however, is how well Cadillac can execute the plan, should it come to life. Based on the past several rounds of vehicle development and concept cars, we're betting on pretty damn well.