Dave Jensen

Dave Jensen is a contributing writer based in Milwaukee, WI.

More from Dave Jensen
A Change in Direction
California targets fleets with mandatory retrofit requirements.
July 16, 2014
The cost of compliance
Tier 4 compliant equipment welcomed into the industry?
April 1, 2011
Cutting Through the Fog
February 18, 2011
Emissions: In Obama's Crosshairs?
Mining industry bears the brunt of new energy policies.
June 1, 2009
Emissions: More Regulations, More Pollution?
New study suggests NOx reductions may cause ozone levels to increase.
March 17, 2009
Real-World Ramifications
Will a faltering economy delay California's plans for regulating construction equipment?
February 12, 2009
The Rubber Meets the Road
How will economic turmoil impact emission reductions?
January 2, 2009
Fork in the Road
Manufacturers choose technology paths to Tier 4.
October 27, 2008
And Now Global Warming
EPA finds a new reason for regulating emissions.
September 19, 2008
A New Era in Regulations
California formally restricts emissions from existing off-highway equipment.
July 15, 2008
Will They Power Our Equipment?
The future for biofuels is promising, but concerns have been raised.
February 15, 2008
Steady As She Flows
Few problems reported in transition to low-sulfur diesel.
November 15, 2007
Spark-Ignition Engines
EPA to implement next round of regulations for lawn equipment.
September 20, 2007
Coal: The New Diesel?
High oil prices generate interest in zero-sulfur, low-emission fuel source.
July 19, 2007
Emissions: Government Warming
EPA decision may alter future emissions standards.
May 18, 2007
Emissions: Engine Electronics Revisited
EPA may require emission-control diagnostics on diesel engines.
March 20, 2007
Emissions: The Rise of Retroprofits
Regulators increase pressure on existing construction equipment.
February 13, 2007
Emissions: The Diesel Age
Technology, climate concerns prompt new look at 'workhorse' fuel.
January 1, 2007
Transition Time
New ultra-low-sulfur diesel enters the marketplace.
September 5, 2006
From Zero to B20 in a Few Years?
OEMs starting to support new biodiesel blend.
July 17, 2006
Retrofit Reluctance
OEMs remain cautious as government interest increases.
May 8, 2006
New Battle Over Soot
Proposed particulate standards could impact farm, construction equipment.
March 3, 2006
Diesel's New Age?
2006 could change diesel's image as biodiesel, ultra-low-sulfur blends take center stage.
February 8, 2006
Retrofit diesel equipment
Government opens funding doors to help retrofit diesel equipment.
September 1, 2005