while glass is technically "infinitely recyclable", it almost never is recycled into glass. it requires far too much sorting and the cost the raw materials that

while glass is technically "infinitely recyclable", it almost never is recycled into glass. it requires far too much sorting and the cost the raw materials that go into glass (sand) is dirt cheap, so it is far less energy intensive to use fresh ingredients. Most glass gets crushed and turned into "cullet" and it is used as a gravel replacement for road beds.