The headline story on the automotive front today (that would be Friday, July 29) is no doubt the presentation of the first concept models of BMW's new division for alternative fuel vehicles that we will come to know as the "i" series.

We've already given you a first look at the i3 pure-electric hatchback as well as the sporty i8 gasoline-electric hybrid coupe concepts, but BMW has also released a series of films on both vehicles.

BMW's showdown continues with the presentation of its i8 Concept, a plug-in hybrid sports coupe that joins the i3 pure-electric hatchback to form the first models of the Bavarian firm's i sub-brand.

The i8 Concept is a further development of the 2009 Vision EfficientDynamics study and it opens the way for a production model, which is scheduled to arrive in showrooms in 2013.

The sportiest member of the i series models combines the modified electric drive system from the i3 Concept, but this time fitted over its front axle instead of the rear, with a high-performance, 1.5-liter turbocharged three-cylinder gasoline engine (in place of the Vision ED's diesel unit) developing 220HP (164kW) and 300 Nm (221 lb.ft) at the rear.

“Green” is the new “mean”. Whereas a few years ago most automakers focused on tooting their performance credentials, now the trend is to be eco-friendly. Even BMW, the maker of the M3, M5 etc., is jumping on the "green" bandwagon. Albeit a little late to the EV party, the Germans plan to make up for it with a dazzling entrance.

Today, the Munich-based automaker announced that it is holding a press conference on Friday, July 29, to preview its “i” sub-brand. Unfortunately, that's about all BMW is willing to reveal about the conference, so we don’t exactly know what the company has in store for us: a startling presentation of the new models or one mundane speech after another from the firm's executives?

With BMW having already announced to the world the creation of its new ‘i’ sub-brand, through which the Bavarians intend to market a line of stand-alone hybrid, range-extended and full-electric plug-in vehicles, the company is now concentrating on the development of the first cars to wear the i logo.

In this series of spy videos, we see the test driver sub-brand’s halo car, the i8 hybrid sports coupe, which is based on the 2009’s Vision Efficient Dynamics concept model, undergoing cold weather tests in Northern Europe.

Up until now, it was believed that the i8 would keep the concept model’s mechanical hardware with a 163HP 1.5-liter three-cylinder diesel engine located behind the back seats, and two electric motors, one positioned between the diesel engine and the six-speed double clutch transmission, and the other in the front of the vehicle.

With BMW having already announced to the world the creation of its new ‘i’ sub-brand, through which the Bavarians intend to market a line of stand-alone hybrid, range-extended and full-electric plug-in vehicles, the company is now concentrating on the development of the first cars to wear the i logo.

In this series of spy videos, we see the test driver sub-brand’s halo car, the i8 hybrid sports coupe, which is based on the 2009’s Vision Efficient Dynamics concept model, undergoing cold weather tests in Northern Europe.

Up until now, it was believed that the i8 would keep the concept model’s mechanical hardware with a 163HP 1.5-liter three-cylinder diesel engine located behind the back seats, and two electric motors, one positioned between the diesel engine and the six-speed double clutch transmission, and the other in the front of the vehicle.