Today Honda announced its 2014 Civic Hybrid and Civic Natural gas will go on sale this month with some improvements to the hybrid.

The hybrid goes on sale Feb. 5 nationwide, and the natural gas car carries forth at dealers in 37 states effective Feb. 15.

The big(ger) news with the carried-forward IMA (Integrated Motor Assist) Civic Hybrid is an uptick in EPA mileage from 44 city, 44 highway, 44 combined, to 44/45/47.

How did Honda do this? According to Northeast Regional Public Relations Manager Chris Naughton, it was a combination of improved aerodynamics, upgraded components (fuel pump, ignition coil) and tuning changes (engine sensors and regenerative braking).

Incidentally, the Civic Hybrid has utilized a lithium-ion battery pack since it was fully redesigned Spring 2011 for the 2012 model year.

Further, the Civic Hybrid was named a Top Safety Pick + according to IIHS.

“This is truly exceptional in the industry, and can only be achieved by performing well in IIHS’s very difficult new small offset crash test,” said Naughton.

The Natural Gas gets an upgraded interior with higher quality materials, and leather seats, heated front seats, heated side mirrors and a six-speaker audio system.

Updates to both cars include as standard equipment a 7-inch touchscreen that allows smartphone-like features, including pinch, swipe and tap. It will interface with the usual audio, phonebook, media, vehicle information and available navigation features.

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Also standard to both models is the Expanded View Driver’s Mirror that works with available LaneWatch to increase surrounding view for the driver.

Further still is Smart Entry with Push Button Start standard on the hybrid.

Both of these car models are built in Greensburg, Ind.