Last week Ford officially unveiled the all-new 2015 Ford Mustang at simultaneous events all over the world. While we will likely have to wait until the Detroit Auto Show next month to hear more details about the new Mustang, Ford has already revealed that the Mustang will be offered with three powertrains: a 2.3L turbocharged four-cylinder, 3.7L V6 and the range topping 5.0L V8. As a sign of the times, there's a possibility that Ford could add new greener engine options in the future.

Ford powertrain boss Bob Fascetti was present at the Mustang's debut in Australia where he reportedly revealed that Ford could add greener powertrains under the Mustang's hood in the future. Australia's GoAuto took a moment to speak with Fascetti regarding the possibilities of a diesel-powered Mustang.

"We're not looking at diesel at the moment, but given where we need to go with fuel consumption we are looking at all our options," said Fascetti. He also stated that "diesel is one of those options, along with hybrids and electric." In addition to a diesel or electric powertrain, there's a possibility that Ford could also introduce new transmissions with up to ten speeds to make the existing engine lineup more fuel efficient.

As Ford transitions the Mustang into a more global product, the need for different powertrain options will become more necessary, especially in Europe, where the diesel engine gets a lot more love than the U.S. While it will likely be a while until Ford finalizes any decisions about the Mustang's engine lineup, here's a video of the 2015 Mustang GT at a recent event in California. A diesel engine or hybrid system may sound cool, but they probably will never sound as sweet at the 5.0L V8 does under the hood of the Mustang GT.