What happened to lard? You can still find it: I recently found it on the very top shelf in the grocery store I was in. But try finding a recent recipe with it as an ingredient: I haven’t seen one in ages.
Why this is can be seen in this fascinating history on lard, here: Who Killed Lard? : Planet Money : NPR. As you can see, quite a few things combined to displace lard from the pantries of North America.
Now if you want to try it again – and if you make pie crusts, you must give it a try — here’s a recipe to get you started: Cooks.com – Recipe – Lard Pie Crust. Enjoy!