Exhaust Heat Recirculation. The key to exhaust heat recirculation is a device called an exhaust gas recirculation (EGR) valve. The EGR valve opens when it encounters back pressure from the car's exhaust and channels it back into the combustion chamber.You might wonder what good this does, since the air in the chamber is mixed with gasoline to make it combustible.Well, one thing it does is to make the fuel warmer.xhaust Heat Recirculation. The key to exhaust heat recirculation is a device called an exhaust gas recirculation (EGR) valve. The EGR valve opens when it encounters back pressure from the car's exhaust and channels it back into the combustion chamber.
Fagrifoss is a waterfall on the way to laki route is very rough and rugged. There are at least two river crossings to get there. 4Ã4 vehicles only. The 25 km long crater row called Lakagigar was created during a relatively short, intensive, and catastrophic eruption between the 8th of June 1783 and February 1874.
The original âCave of the Windsâ was a cavern located behind the Bridal Veil Falls. The Bridal Veil Falls is the smaller waterfall located between Luna Island and Goat Island, beside the American Falls. The Cave of the Winds was an overhanging ledge, consisting of Lockport Dolostone rock, at the top portion of the gorge where the waters of the Bridal Veil Falls flowed over. Originally this portion projected more than 30.5 metres. Due to this overhang of rock, a cavern behind the cascading water was formed.