Europe’s biomethane (aka renewable natural gas - RNG) sector has crossed a new milestone, adding more than 1 billion cubic metre (bcm) of annual production capacity in just one year and surpassing 8 bcm for the first time. Yet despite growing investor confidence and rising political attention to energy security, growth falls well short of its true acceleration potential, according to the European Biomethane Map and the Biomethane Investment Outlook, two publications released by the European Biogas Association (EBA).