Chinese president Xi Jinping may have spurned the COP26 Climate Change conference being held in Glasgow, UK, from next week, but its biggest technology vendor, Huawei, has been striving to make up for that, at the its annual Global Mobile Broadband Forum (MBBF) 2021 event in Dubai. Huawei has been almost hyperactive on the green energy front, and some of the telco delegates from countries where the Chinese company is being ousted from 5G infrastructure may have ended up regretting that they will not benefit from some of the technology on offer. Of course, some of those Huawei energy-saving components are based on standard technologies or specifications that will also be implemented by other vendors, but there were some genuine innovations on…