Honda's engine program has asserted absolute dominance over the IndyCar Series, securing a historic clean sweep of every street circuit race on the 2026 calendar following Kyle Kirkwood’s victory at the Freedom 250 Grand Prix in Washington D.C.<br>The triumph around the National Mall reinforces a decade-plus legacy of engineering performance, extending the Japanese brand’s streak of winning ...<a class='more' href='https://www.motorsport.com/indycar/news/honda-completes-historic-2026-indycar-street-circuit-sweep-with-washington-dc-win/10849643/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>