Whatâs one way to cut a carâs weight by 50 percent and improve fuel efficiency by up to 40 percent? Make it out of carbon fiber instead of steel. Alumnus Chris Kaffer, co-founder and CEO of Denver startup Mallinda, believes his companyâs reusable carbon-fiber composite can play a vital role in making vehicles more efficient. Now, a $750,000 grant will help move the vision forward.