As long as you're happy waiting 50 years before the journey time is cut by half (I'm sceptical)
'Startup Says Its Nuclear Fusion Rocket Could Cut Time to Mars in Half'
https://futurism.com/nuclear-fusion-rocket-cut-time-mars-half
'The firm is hoping to achieve fusion in orbit for the first time in 2027, a moonshot plan that could put far-flung destinations in our solar system within much easier reach — if everything goes perfectly according to plan, at least.'
