The actual bikes for sale include very utilitarian models like this city bike.
Why are Peugeot designers also releasing unworkable concept sketches like this B1K that seems more at home in a sci fi movie than on an urban street? James at Bicycle Design provides some interesting insight from a designer's perspective:
Concept designs like this do serve a real purpose for designers. Cutting loose a bit and creating something that is purely conceptual from time to time helps to inspire the design team and "keep the creative juices flowing". That creative energy can translate to a really nice, and saleable, product line down the road if the company chooses to puts the resources in place for the product development team to succeed.Read more at Bicycle Design.