The Engine, the venture firm founded by MIT in 2016 to support “tough tech” companies, today announced it has raised $230 million in its second round of funding, and will begin making investments in additional startups focused on conceiving and commercializing solutions to some of the world’s most pressing challenges. MIT provided $25 million in anchor funding for The Engine’s Fund I, which exceeded its original goal of raising $150 million to close at over $200 million in 2017. MIT is investing $35 million toward this new round of funding,…