Open source is the engine that drives technological innovation.

Literal

Open-source [topic-は] technology-innovation [obj-を] drive-do engine [copula-である].

ドライブする is a loanword verb from English 'to drive' used metaphorically for 'driving/propelling' progress. 技術革新 'technological innovation' (技術 'technology' + 革新 'revolution/innovation'). である is the formal/academic copula. A short, assertive manifesto-style declaration.