Germany's coalition government of Christian Democrats (CDU) and Social Democrats (SPD) is seeking to overturn the central provision of the heating law introduced by the previous administration. The original law stipulated that all heating systems installed in the coming years must run on at least 65%  renewable energy . Under the new proposals, however, oil and gas heating systems with significantly lower shares of climate-friendly gases would still be allowed in existing buildings for a longer period . The cabinet approved the plan based on a draft bill submitted by Building Minister Verena Hubertz (SPD) and Economy Minister Katherina Reiche (CDU). Under the planned legislation, new heating systems would only be required to use at least 10% renewable energy.…