Tech Digest daily round up: Airships to offer eco-friendly alternative to plane travel

For those fancying a trip from Liverpool to Belfast or Barcelona to the Balearic Islands but concerned about the carbon footprint of aeroplane travel, a small Bedford-based company is promising a surprising solution: commercial airships. Hybrid Air Vehicles (HAV), which has developed a new environmentally friendly airship 84 years after the Hindenburg disaster, on Wednesday…