Thanks to a new device based on lasers, all you need to do in order to know your vehicle’s emissions, is to have a look at the dashboard. Researchers at the University of Manchester have created a laser-measuring device that can record pollutant levels from the exhaust, even when the vehicle is on the move.
Conventionally, emissions from cars have been measured by capturing exhaust gases in a box, while the engine is idling. The new system is more responsive, real-time and somewhat more pragmatic. A real time display of Carbon dioxide, Carbon Monoxide and methane is likely to encourage the driver into adjusting his/her driving style to reduce pollution.
The team employed a ‘near-IR diode laser sensor’ to keep a tab on changes in gas concentration while the operating conditions (like throttle and air to fuel ratio) of the Rover engine were altered. The laser sensor used in this device operates on two frequencies. One frequency is reserved for the concentration of CO2 and carbon monoxide, while the other frequency helps keep an eye on methane concentration.
This technology will surely help reduce pollution. As drivers immediately recognize the amount of pollution they are causing, they will be keen to drive on the lowest possible emission levels, which they can afford. Low emissions translate into low fuel consumption, and better fuel economy. Involving drivers directly into the quest to reduce pollution is bound to bear good results.
[Via: Ecofriend]
