Kerosene lamps are better than candles, but they smoke if the wick isn't trimmed right.
Gas mantle lamps give better light, but they probably emit CO and CO2.
But that's all right. I'm sure the EPA will be regulating those, too. A Nanny State searches high and low.
***Gas mantle lamps give better light, but they probably emit CO and CO2.****
A few years ago the Greenies were having hysterics that the mantles were (gasp) Raidoactive!