The quantum drive is a critical component for ships that allows travel within a star system. Currently, ships "in quantum" will travel at approximately 0.2c, or 20% of the speed of light  . The actual travel speed and universe scale is still subject to change.
On May 3rd 2075, the first Quantum Drive Engine was completed by Dr. Scott Childress along with a team from RSI. It was capable of space travel at 1/100th of the speed of light. Overnight, the space travel industry was born and spaceflight for civilians became possible.