This is true, and we should be proud. But let's not be too proud -- after all, the colonies that became Canada also had slavery for more than two centuries, ending only 30 years before U.S. President Abraham Lincoln wrote the Emancipation Proclamation in 1863.
Carbon Black Research. Birla Carbon is the largest manufacturer and supplier of high quality Carbon Black additives globally and a flagship business of the US$40 billion Aditya Birla Group. Our current footprint extends across 12 countries with 17 manufacturing facilities with combined annual capacity of 2 million tones.
For example, a new 94 percent efficient furnace that is rated at 80,000 Btu puts out as much heat as an old 75 percent efficient 100,000 Btu furnace.â New Law May Affect Your Choice Beginning in May 2013, a new U.S. Department of Energy rule requires newly installed residential gas furnaces in 30 northern states to be rated at least 90 percent AFUE (annual fuel utilization efficiency).