Machines that burn fuel for operation require numerous safety features to detect leaks of volatile and toxic gases that can be harmful or deadly to people if inhaled. Of these gases produced during combustion, carbon monoxide (CO) is one of the most important to consider due to its lethal capabili…

Carbon dioxide sensors are becoming increasingly important in many applications including monitoring air quality, CO2 sequestration, measuring metabolic activity in animals, and controlling combustion. While commercial sensors for such applications exist, there is nothing currently on the market d…