Energy efficient buildings in Germany get €100m boost

Vivawest will use the funds to build 900 low energy housing units in North Rhine-Westphalia

Rolls-Royce on track for hybrid trains

Virtual reality simulations found its hybrid technology could be used on the Lake Constance Belt Railway to reduce emissions

EU takes UK to court over illegal air pollution levels

France, Germany, Hungary, Italy and Romania have also been referred to court for breaching air quality levels

E.ON to buy wind energy firm Vortex’s German projects

The transaction is subject to approval by the relevant antitrust authorities

Allianz pledges to cut back on insuring coal companies

It plans to phase out both its proprietary investments in coal-based business and its insurance coverage of such risks by 2040

E.ON launches takeover offer for innogy stake

It is offering the 23.2% stake for €40 (£35) per share

Ukraine gets €53m energy efficiency boost

The IFC, a member of the World Bank, will manage the funding from the EU and Germany

Volkswagen to buy back diesel vehicles if Germany imposes ban

The German Guarantee will apply to the purchase of a new or a year-old car with a diesel engine from a Volkswagen dealership from 1st April throughout 2018

EU approves German offshore wind surcharge reductions

The costs of connecting offshore wind installations to the main electricity grid will be financed by a surcharge, which power customers would pay from 2019

EU investigates German grid operator TenneT’s cross-border capacity limit

The European Commission and TenneT are engaged in “constructive discussions on commitments” to address concerns on transmission capacity limitation