Hydraulic Fracturing: How It Works and Recent State Oversight Actions

Dec 1, 2016 - Hydraulic fracturing is accomplished by pumping well stimulation treatment fluids (mainly water, chemical additives, and sand or ceramic man-made materials known as proppants) down the well under high pressure and out through holes in the well casing to fracture the surrounding rock formation.
https://lao.ca.gov/Publications/Report/3513

Assessing California’s Climate Policies—Electricity Generation

Jan 6, 2020 - For example, as a result of the additional production of solar panels driven by California policies, man ufacturers could have learned how to produce the panels more efficiently —also known as “learning ‑by ‑doing ” (LBD).
https://lao.ca.gov/Publications/Report/4131