{"podcast":{"title":"Autoblog News","slug":"autoblog-news-1708029","podcast_index_feed_id":1708029,"rss_url":"https://feeds.feedburner.com/Podcast/AutoBlog","website_url":"https://www.autoblog.com","image_url":"http://o.aolcdn.com/os/autoblog/podcasticon.gif","author":null,"episode_count":50,"summary":"Hosted by Chris Shunk, Dan Roth and Zach Bowman, the Autoblog Podcast is the long-running no-holds-barred audio-only counterpart to Autoblog.com. On the show we drop the pretense of being professional automotive journalists so we can passionately talk about cars like the real automotive enthusiasts that we are. Special guests including other Autoblog.com staff and titans of the auto industry are also common, and every week we answer your questions.","last_synced_at":"2026-09-20T22:17:48.891031+00:00","page_url":"https://stenobird.com/podcast/autoblog-news-1708029"},"episode":{"title":"Two Teenagers Built A $50 Exhaust Filter That Claims To Cut Emissions 74%","slug":"two-teenagers-built-a-50-exhaust-filter-that-claims-to-cut-emissions-74","published_at":"2026-07-25T14:15:00+00:00","page_url":"https://stenobird.com/podcast/autoblog-news-1708029/two-teenagers-built-a-50-exhaust-filter-that-claims-to-cut-emissions-74","show_page_url":"https://stenobird.com/podcast/autoblog-news-1708029","url":"https://www.autoblog.com/news/two-teenagers-built-a-50-exhaust-filter-that-claims-to-cut-emissions-74","audio_url":"https://www.autoblog.com/.image/NzowMDAwMDAwMDAxMTgxOTk3/go-green-filter.jpg?profile=rss","summary":"Naturally aspirated engines and big-displacement powerplants are slowly disappearing as emissions regulations become stricter in an effort to reduce pollution and protect the environment. That has sparked a wave of smaller turbocharged engines, hybrids, plug-in hybrids, and EVs. But two teenagers ...","meta_description":"Naturally aspirated engines and big-displacement powerplants are slowly disappearing as emissions regulations become stricter in an effort to reduce pollu…","key_points":[],"chapters":[],"topics":[],"duration_seconds":null,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/autoblog-news-1708029/episodes/two-teenagers-built-a-50-exhaust-filter-that-claims-to-cut-emissions-74/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/autoblog-news-1708029/two-teenagers-built-a-50-exhaust-filter-that-claims-to-cut-emissions-74.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}