National City has made efforts to reduce its number of industrial businesses in recent years with the goal of improving air quality and resident health.

But a new new proposed biofuel depot is raining concerns in a city that has long sought to curb pollution.

Also on KPBS Roundtable, the Chula Vista City Council passed an ordinance last week with new regulations on who can ride e-bikes and where. We take a look into the city's tighter restrictions on young e-bike users.

Then, we share other stories in this week's roundup.

Guests:

• Kori Suzuki, South Bay and Imperial Valley reporter, KPBS
• Crystal Niebla, infrastructure and government accountability reporter, inewsource
• Ashley Rusch, producer, KPBS