26 NOVEMBER 1921, Page 15

LOW-TEMPERATURE CARBONIZATION.

Pro THE EDITOR OP THE " SPECTATOR.") SIR,—With reference to your article of November 5th, may I point out that, however feasible and desirable the above process may be, the public is entirely in the hands of the gas companies in this matter? The process involves a largo production of gas, and unless this is passed through existing mains you must either waste it or build new gas mains. If experts can assure us that a process which would relieve London of its smoke-pall is both possible and economical, a short Act should be passed making it compulsory upon the gas companies to do it and upon the public to use only the resultant " glorified coke." For several years costly experiments have been carried on at Greenwich, and as the public pays, it has some right to know