Morphic Biogas Fuel Cell System

After successful pilot testing, Morphic will no start to market a complete system for biogas-to-hydrogen transformation. The reformer technology comes from their subsidiary Helbio S.A. and generates a hydrogen used in fuel cells from Exergy Fuel Cells, another subsidiary.
Naturally, biogas from waste disposal centres, farms and waste water treatment plants could be upgraded and used directly for heating, power generation or vehicle propulsion; it is not entirely necessary to convert it to hydrogen. But thanks to the conversion, the application is more versatile. The hydrogen can be used wherever fuel cells are necessary.
Read more about it here (in Swedish).

Biogas fuel cell applications, but with a rather different technology, have earlier been discussed here

Swedish aviation fuel cleanest in the world

The fuel AVGAS 91/96 UL from Swedish oil company Hjelmco Oil has been selected as the cleanest aviation fuel in the world, by Federal Office of Civil Aviation, Switzerland. "Clean", as in "low emissions", that is. There are other contenders, mostly based on natural gas. If similar technologies could be applied on coal, the economy could get even better.

Another question regarding the sustainability of aviation, is how to make use of renewable energy. Ethanol as an aviation fuel shows some promise. And where natural gas can be used, so can upgraded biogas. (A matter of time in Sweden?)
Hydrogen is not a sustainable alternative however, considering the current state of production technology. Far too much power is needed to produce sufficient quantities of fuel for long range flying.

Update 05/09:
Please check the comments regarding key difference between the fuels discussed in this post

Fuel cells operating on biogas

This is very interesting, in several ways.

It is one of the worlds first fuel cell systems where the biogas is used directly in the cell - without using a fuel reformer. The fuel cells are of the high-temperature type, and a provided by Acumentrics of the United States.
It is an interesting addition for small-scale, remote biogas systems. Even more interesting would be if the the system would be easily scalable, for industrial applications.

It is no coincidence that this takes place in Sweden, country of perhaps the world's most advanced biogas applications. This is partially a result of a quite advanced waste and wastewater management industry (which is a result of decades of strict legislation), government "climate change" project subsidies and and integration of the waste & energy sectors.

It is also interesting because it is installed in Hammarby Sjöstad, a part of Stockholm designed according to the Sustainable City concept. The area counts with several innovative and holistic solutions regarding waste management, energy, water and transport, such as energy from solar panels and a nearby wastewater & waste biogas plant, a car pool and a waste separation system. Although yet to prove itself as a real export success, the concept has drawn interest from countries around the world.